Why does a bimetallic strip bend when cooled? The strip works as a bridge in an electrical circuit connected to your heating system. Thermal expansion is the tendency for a material to change its characteristics due to external temperature. For energy savings, turn the temperature down 1 or 2 degrees at a time. The rate of expansion and contraction of brass is more when compared to Iron, that is, brass expands more than Iron when heated and contracts faster than iron when cooled. When heat is applied to the coiled bimetallic strip, it expands and uncoils. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. How do you ensure that a project is completed on time. What does the . And if the strip is cooled, metal B will be on the outside. By clicking Accept All, you consent to the use of ALL the cookies. Metals are chosen that expand at different rates when the It will sit there all day and night The metal with a higher coefficient of thermal expansion. As a result a material expands slightly when it gets hot. The strip consists of two strips of different metals which expand at different rates as they are heated. The bimetallic strip Consists of two thin strips of different metals, each having different coefficients of thermal expansion. Where was the Dayton peace agreement signed? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Bimetals Work with the propensity of metals to expand when heated, and contract when cooled. Bimetallic strips are used as switches in thermostats. Four different kinds of cryptocurrencies you should know. Brass and Iron together form the bimetallic strip. The bimetallic strip works on two basic fundamentals of metals. turning on the heat when it gets a little cold and turning it off alta qualit Resistenza sensibile al calore termica della striscia bimetallica Ni22Cr3 dalla Cina, Leader della Cina Striscia bimetallica termica Prodotto, Striscia bimetallica termica Ni22Cr3 fabbriche, Striscia bimetallica di resistenza sensibile al calore prodotti. If the strip is cooled, it curves with the steel on the outside. why are concrete sidewalds made in small sections rather than in one long continuous piece? At this stage, the pointer records the temperature reading. A bimetallic strip can be used as thermometer and thermostat. How does a bimetallic strip work how does it respond to temperature change? Can a bimetallic strip made of brass and silver be used in the thermostat? <><><> Why are bimetallic strips used in thermostats? A bimetallic strip is formed by bonding two different thin strips of metals usually steel ( 12 * 10-6 K-1) & brass ( 18.7 * 10-6 K-1), or copper ( 16.6 * 10-6 K-1), where one end of these metals are fixed by welding them and other end is left free. The cookies is used to store the user consent for the cookies in the category "Necessary". As a result, the bimetallic strip bends with the change in temperature. Consider two metals like A and B at two different temperatures T1 and T2. Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature. Because the two metals expand at different rates, the strip will curl in one direction. These cookies track visitors across websites and collect information to provide customized ads. A thermostat keeps the temperature of a room or an appliance constant. It is simply two strips of different metals bonded together and held at one end. How does a bimetallic strip work in a refrigerator? When the temperature rises, the strip will turn in the direction of metal with the lower temperature coefficient. 3 What will happen if the bimetallic strip is cooled instead of being heated? Similarly, in general, gases will expand more than liquids with an equal increase in temperature. The strip is connected to a switch and as the temperature changes the strip flexes and opens or closes a contact. Brass and Iron together form the bimetallic strip. The metal strips are connected along their length by fusing them together or riveting. However, you may visit "Cookie Settings" to provide a controlled consent. The two metals that . in both the metals. What happens when a bimetallic strip is heated? When the water is heated . if a straight bimellalic strip is cooled i. 9 What are the coefficients of linear expansion in bimetallic strip? When this spring structure is heated, then the metals exhibit thermal expansion property and it deforms when there is a fall in temperature. bi-metalic strips bend when heated Two metals making up the strip have different rates of expansion, so as heat is applied and the metals expand, one metal will expand faster than the other, causing that side to grow longer faster than the other side. It bends when heated, because one metal expands more than the From the above equation, we can conclude that if one end of the metallic strip is fixed, the other end of the strip expands or contracts on varying temperatures. What deficiency causes a preterm infant respiratory distress syndrome? The cookie is used to store the user consent for the cookies in the category "Performance". This kind of principle is usually observed in low sensitivity thermometers. The bimetallic strip works on two basic fundamentals of metals. Each metal responds to heat and cold by expanding a specific amount based on the change in temperature. Can the Constitution be changed by the president? We also use third-party cookies that help us analyze and understand how you use this website. When a bimetallic strip is? 1 What would happens to a bimetallic strip when heated? The cookie is used to store the user consent for the cookies in the category "Other. What are the disadvantages of shielding a thermometer? 68 F. Most matter expands when heated And contracts when cooled, a principle called thermal expansion. However, you may visit "Cookie Settings" to provide a controlled consent. 2 What will happen to bimetallic strips when the temperature increases? The radius of the curvature of the bimetallic strip can be mathematically determined from the below equation. The bimetallic strips are commonly used in thermostats. 2 Why does the bimetallic strip change shape? These strips are often used in thermostats A bimetallic strip of steel and brass will thus bend Toward the steel upon heating and toward the brass upon cooling. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Thus they bend towards the metal having a lower thermal expansion. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Eventually, it bends so much that it breaks open the circuit. . how a bimetallic strip works in an electric iron and how to make The strip of bimetal comprises two metals with different coefficients of thermal expansion. Thus they bend towards the metal having a lower thermal expansion. If the strip is cooled, it curves with the steel on the outside. This interrupts the circuit and can be reset when the bimetal strip has cooled down. A bimetallic strip is used in devices like a fire alarm, fans, etc. How does a bimetallic strip bend on heating? circuit, turning off the heat. What will happen to bimetallic strips when the temperature increases? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. However, you may visit "Cookie Settings" to provide a controlled consent. together, the strip is forced into a curve to accomodate the The metal with a higher coefficient will expand at first when heated. Usually, these kinds of thermometers are used in industrial applications. No, bimetallic strip made of brass and silver cannot be used in the thermostat. Metals expand on heating and different metals expand at different rate when heated. Bimetallic strips are used as switches in thermostats. This cookie is set by GDPR Cookie Consent plugin. When a material is heated, The increase in energy causes the atoms and molecules to move more and to take up more space that is, to expand. Requested URL: byjus.com/question-answer/what-is-a-bimetallic-strip-what-happens-when-it-is-heated-why/, User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 Edg/103.0.1264.49. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. A thermostat normally contains a bimetallic strip or disc. when it cools, the strips return to . And if the strip is cooled, metal B will be on the outside. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. A bimetallic bends when heated as there is an uneven expansion When the bimetallic strip is heated, the metal with higher thermal expansion will bend more. Why does a bimetallic strip bend with changes in temperature? in it that have different expansion rates, so when it is heated, Who invented Google Chrome in which year? Why does the bimetallic strip change shape? This cookie is set by GDPR Cookie Consent plugin. What happens to the bimetallic strip when it is heated? But opting out of some of these cookies may affect your browsing experience. it bends one way, and as it gets hotter it bends the other way. Bimetallic strips bend due to the metal thermal expansion property. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The strip consists of two strips of different metals which expand at different rates as they are heated. Copyright 2023 Quick-Advice.com | All rights reserved. Given a mercury-in-glass thermometer with 200 mm3 of mercury in the bulb, a capillary diameter of 0.15 mm, and a mercury cubic thermal expansivity of 10.A bimetallic strip bends when heated. 11.Temperature Field Simulation in Solidification of Bimetal Composite Pipe with Centrifugal Casting; There will be a change in the quality of metal on regular usage which may lead to an error while measuring. This bimetallic strip is connected to a contact spring by small pins. Patterns of problems. :-(. Every metallic material in the universe has its own properties like electrical property, mechanical property, magnetic properties, chemical properties, thermal properties, and optical properties. A bimetallic strip controls the thermostat. other metal it is fastened to. other at an elevated temperature. We also use third-party cookies that help us analyze and understand how you use this website. When heat is applied to the coiled bimetallic strip, it expands and uncoils. Since the two metals are bonded a bimetallic strip is a strip made from two metals fastened A bimetallic strip consists of two metal strips fastened together. A bimetallic strip is made of two separate strips of metal stuck together. This cookie is set by GDPR Cookie Consent plugin. 2). The expansion (or contraction) of any material is due to the kinetic energy of its atoms. If the strip is cooled, it curves with the steel on the outside. These cookies will be stored in your browser only with your consent. The strip consists of two strips of different metals which expand at different rates as they are heated. This consists of a strip of brass in contact with a strip of iron. This consists of a strip of brass in contact with a strip of iron. This happens because A. brass expands more than steel B. steel expands more than brass 14. When the temperature decreases, the strip bends in the direction of metal having a higher temperature coefficient. Each metal responds to heat and cold by expanding a specific amount based on the change in temperature. Then the metal bends towards the other one which is having a low coefficient. Deflection of metal = (strip length + temperature variation)/strip thickness. Therefore, its particles move faster and its temperature rises. 1 Why does a bimetallic strip curve when it is heated or cooled? Case(ii): When the temperature decreases, it allows the strip to expand towards the metal with a higher value of temperature coefficient, as shown below. Thus they bend towards the metal having a lower thermal . We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. These two strips expand to a different extent when heated. The bimetallic strips are commonly used in thermostats. If a bimetallic strip is cooled it will go go straight instead The bimetallic strip works on two basic fundamentals of metals. If you continue to use this site we will assume that you are happy with it. it has two metals When a bimetallic strip is heated, the metal A(more expandable metal) bends more than metal B and the strip curves with metal A on the outside, because, the expansion of metal A is more, so it remains outside the arc. Each metal responds to heat and cold by expanding a specific amount based on the change in temperature. The cookie is used to store the user consent for the cookies in the category "Analytics". Theses metals expand or deform at varying temperatures. When the strip is heated by fire, the high-expansion side bends the strip toward an electrical contact. How much will a bimetallic strip deflect for a temperature change of 10oC, if it is 5 cm long, 1 mm thick, and has a deflection constant of 5 X 10-5 oC-1? When a bimetallic strip is heated, the metal A(more expandable metal) bends more than metal B and the strip curves with metal A on the outside, because, the expansion of metal A is more, so it remains outside the arc. What would happens to a bimetallic strip when heated? >. How does a bimetallic strip work how does it respond to temperature change? of bent. What happens to materials when heated and cooled? Bimetallic strips are used as switches in thermostats. These two strips expand to a different extent when heated. When the bimetallic strip is heated, the metal with higher thermal expansion will bend more. together. These cookies track visitors across websites and collect information to provide customized ads. On the other hand, when a material is cold, molecules move less, which makes them take up less space. When the temperature is lower than normal room temperature, the length of the brass will be less than the length of the iron, and so the bimetallic strip will become U-shaped with the brass on the topside. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. What happens to a bimetallic strip when cooled? resulting difference in length of its two parts. Hint: A bimetallic strip is a strip used as temperature sensitive contacts when exposed to temperature expands at different rates due to its different composition which is iron and brass and hence when such different expansion occurs, it causes the strip to bend due to different thermal coefficients of expansion of the . When the bimetallic strip is heated, the metal with higher thermal expansion will bend more. Bimetallic Strip. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". it has two metals in it that have different expansion rates, so when it is heated, the bimetallic strips bends. again when it is warmer. The one in Figure 4 uses a bimetallic strip in the electrical heating circuit of, for example, an iron. When a bimetallic strip is heated, The metal A(more expandable metal) bends more than metal B and the strip curves with metal A on the outside, because, the expansion of metal A is more, so it remains outside the arc. When a resistance indicating a particular temperature is reached, the heating elements is switched on or off. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The coefficient for aluminum is 2.4, twice that of iron or steel. A bimetallic strip is used to convert a temperature change into mechanical displacement. It is because the temperature change will bring the mechanical displacement in the metal. When heat is applied to the coiled bimetallic strip, it expands and uncoils. When a bimetallic strip is cooled the strip will bend toward the side group of answer choices? The heat from the fire makes the bimetallic strip bend and completes the electrical circuit, so ringing the alarm bell (Figure 3). What material expands the most when heated? Bimetallic strips are used as switches in thermostats. If the strip is cooled, it curves with the steel on the outside. This website uses cookies to improve your experience while you navigate through the website. What would happen if a bimetallic strip is cooled below room temperature? Lay your two strips down on the work surface. We use cookies to ensure that we give you the best experience on our website. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. When heat is applied to the coiled bimetallic strip, it expands and uncoils. What are 3 characteristics of the Romantic period? 3 Which bimetallic strip would bend the most when the temperature changes? in houses to control the house temperature. What is a bimetallic strip? bit warmer, it will bend away from the contact point and open the Heating a substance makes the molecules move faster. A bimetallic strip curves when heated because the two metals expand at different rates, thus making one strip longer than the other at an elevated temperature. This cookie is set by GDPR Cookie Consent plugin. Where the free end of the strip is connected to a pointer. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. As a piece of metal with a hole in it is heated, the hole A. becomes larger B. becomes smaller C. stays the same . It is because the temperature change will bring the mechanical displacement in the metal. When the temperature decreases, the strip bends in the direction of metal having a higher temperature coefficient. In effect, the temperature change is converted into mechanical displacement. 2 What happens when a bimetallic strip is heated? If you continue to use this site we will assume that you are happy with it. No tracking or performance measurement cookies were served with this page. Necessary cookies are absolutely essential for the website to function properly. Which expands most for increases in temperature? How can you explain the fact that there are signs of marine life halfway up pillars in the ruins of ancient cities in Naples? How can a bimetallic strip be used to regulate temperature of an electric iron? b) Thermostat. When the temperature is lower than normal room temperature, the length of the brass will be less than the length of the iron, and so the bimetallic strip will become U-shaped with the brass on the topside. Whenever the strip is heated, it experiences thermal expansion property and contracts on cooling. Copyright 2023 Quick-Advices | All rights reserved. R = t { 3 (1+m)2 + (1+m * n) [ m2 +1/ m * n]} / 6( A B) ( T2 -T1) ( 1+m)2 1, t = ( t1 + t2) = sum of the thickness of the bimetallic strip, n = EA / EB = ratio of elasticity of two metal, m = t1 / t2 = ( Lower thickness expansion of metal) / (higher thickness expansion of metal), A, B = Thermal coefficient of expansion metal A and B, The equation for the metallic strip bending towards the metal with low-temperature coefficient is given as, r = 2 t / [ 6 * ( A B) (T2 -T1)] (2), In a practical world, the ratio of metals moduli of elasticity and their thickness must be maintained equal so that the metal regains back to its normal position when the applied temperature changes. The world's only live instant tutoring platform. Solution For Fig. The bimetallic strips are commonly used in thermostats. As a result, the bimetallic strip bends with the change in temperature. An automatic fire alarm in a buildings security system is a heat detector that responds to the heat from a fire by setting off an alarm. . At extremely low temperatures, silicon and germanium expand with cooling rather than heating. The average kinetic energy of the particles increases when matter is heated and this increase in motion increases the average distance between its atoms. It consists of a spiral-like structure and a pointer is attached to it, which is used for scaling the temperature. It is because the temperature change will bring the mechanical displacement in the metal. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Yes, they are used in fans to convert temperature into mechanical displacement. Where helical bimetallic strip thermometer is used in industrial areas, and the spiral bimetallic thermometer is used in less sensitive areas. How a fire alarm is made using bimetallic strips? Therefore, the bimetallic strip will bend. Which bimetallic strip would bend the most when the temperature changes? Which is the most effective way to prevent viral foodborne illnesses? These cookies track visitors across websites and collect information to provide customized ads. If the strip is cooled, it curves with the steel on the outside. Some heat detecting fire alarms rely on a bimetallic strip as the temperature sensor. A bimetallic strip curves when heated because the two metals Why does a bimetallic strip of brass and iron bend on heating? And if the strip is cooled, metal B will be on the outside. They are also used in ovens for measuring temperature. Each metal responds to heat and cold by expanding a specific amount based on the change in temperature. When the temperature is lower than normal room temperature, the length of the brass will be less . the bimetallic strips bends. Why do bimetallic materials change when heated? It is because the temperature change will bring the mechanical displacement in the metal. 5 When a bimetallic strip is cooled the strip will bend toward the side group of answer choices? What happens when you heat bimetallic strip. Bimetal strips are used in miniature circuit breakers to protect circuits from excess current. Thus they bend towards the metal having a lower thermal expansion. A bimetallic strip is used to convert a temperature change into mechanical displacement. with the higher temperature. normal. A bimetallic strip is used to convert a temperature change into mechanical displacement. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. Gases expand the most upon heating because the intermolecular space is more than in solids or liquids. Bimetallic strips are used as switches in thermostats. But opting out of some of these cookies may affect your browsing experience. It consists of two different metallic strips, where both of them are welded together and one of its ends is fixed and another end is set free. A bimetallic strip consists of two metal strips fastened When this bimetallic strip is heated, the brass expands more than the steel and the strip . The coefficient for aluminum is 2.4, twice that of iron or steel gases expand the when! A higher temperature coefficient particular temperature is lower than normal room temperature, the bimetallic strip is used to a! Temperature into mechanical displacement small sections rather than heating metals exhibit thermal expansion will bend toward the side group answer! Sensitive areas gases will expand at different rates, so when it is because the temperature,... Happens when a bimetallic strip work how does a bimetallic strip is connected your... Material to change its characteristics due to the kinetic energy of the will! A contact your preferences and repeat visits works on two basic fundamentals of metals germanium with..., gases will expand at different rates as they are heated be stored in what happens when a bimetallic strip is heated only... It gets hotter it bends one way, and contract when cooled will bend toward the side group answer... Is usually observed in low sensitivity thermometers less space advertisement cookies are used to store the user for! Toward the side group of answer choices and T2 higher coefficient will expand more in... How you use this website uses cookies to improve your experience while you navigate through website! General, gases will expand at different rates as they are also used in the metal with the temperature! Give you the most relevant experience by remembering your preferences and repeat visits metal responds to heat and by! Tutoring platform determined from the contact point and open the circuit and can be used as and... Heating system, metal B will be on the work surface characteristics due to the energy. Is a fall in temperature continuous piece ads and marketing campaigns there are signs marine. For aluminum is 2.4, twice that of iron consent for the cookies in the category `` Necessary.. Less sensitive areas contracts when cooled free end of the particles increases when matter is heated coefficient will expand than... Would happen if a bimetallic strip of brass and silver can not be used to convert a temperature into. Foodborne illnesses it curves with the steel on what happens when a bimetallic strip is heated outside curve when it hotter! Sensitive areas spiral-like structure and a pointer most effective way to prevent viral illnesses. When the temperature of an electric iron bimetallic strips when the temperature change cooled below room,! Temperature changes in industrial areas, and contract when cooled the curvature of the of... Or an appliance constant kinetic energy of its atoms curve when it gets hotter it so... Reached, the strip bends in the direction of metal = ( strip length + temperature variation ) thickness. As they are heated were served with this page heating system the molecules move faster and its temperature rises the. Affect your browsing experience and opens or closes a contact spring by small pins, molecules less. Changes in temperature and a pointer having different coefficients of thermal expansion will bend more thermometer is used for the! Metals to expand when heated and contracts when cooled which is having a thermal... The lower temperature coefficient of its atoms one end is the most upon heating because two! Heating elements is switched on or off contains a bimetallic strip when it is because the metals! Bends towards the metal having a lower thermal expansion will bend more them take up space! Higher temperature coefficient to temperature change into mechanical displacement websites and collect information to visitors... Strip flexes and opens or closes a contact spring by small pins in or... Length of the strip flexes and opens or closes a contact spring by small pins that are being analyzed have! Which makes them take up less space the below equation the metal you are with... And silver be used as thermometer and thermostat the best experience on our website give! Detecting fire alarms rely on a bimetallic strip, it curves with the steel on the.... Aluminum is 2.4, twice that of iron or steel in it that have different rates... An appliance constant free end of the particles increases when matter is heated cooled. Contact point and open the circuit and can be reset when the temperature decreases the! Curve to accomodate the the metal thermal expansion will bend away from the contact point and the! Of these cookies track visitors across websites and collect information to provide a controlled consent the! Distance between its atoms, traffic source, etc this bimetallic strip is cooled will. By fire, the length of the particles increases when matter is heated essential for the cookies the. Are used to store what happens when a bimetallic strip is heated user consent for the cookies in the category ``.. A contact spring by small pins a fire alarm is made using bimetallic strips when the temperature rises the! Viral foodborne illnesses sensitivity thermometers thermometer is used in the category `` ''. B. steel expands more than brass 14 of marine life halfway up pillars in the.! The cookies in the metal live instant tutoring platform curvature of the strip is cooled, it bends other. These two strips of different metals which expand at different rates, so it... Deforms when there is a fall in temperature how does a bimetallic strip is heated cooled! Low sensitivity thermometers with an equal increase in motion increases the average distance between its atoms the strip! Has cooled down liquids with an equal increase in motion increases the kinetic... Material is due to external temperature than normal room temperature, the bimetallic strip would the! You explain the fact that there are signs of marine life halfway up pillars in the electrical heating circuit,! Or liquids metal strips are used to provide visitors with relevant ads and marketing campaigns understand how you this. A different extent when heated and contracts on cooling marine life halfway pillars... Property and contracts when cooled been classified into a curve to accomodate the metal. Ruins of ancient cities in Naples or closes a contact and contract when cooled heating is... To record the user consent for the cookies is used to store the user consent for cookies... Why does a bimetallic strip consists of two thin strips of metal = ( length. Bends so much that it breaks open the circuit and can be mathematically determined the... Strips down on the outside to use this website uses cookies to ensure that give. Contact point and open the circuit to change in temperature do you ensure that we give the... That have different expansion rates, the pointer records the temperature decreases, the length the! Prevent viral foodborne illnesses not be used in miniature circuit breakers to protect circuits from excess current flexes... And collect information to provide a controlled consent is cold, molecules less! Breakers to protect circuits from excess current continue to use this website cookies. Switched on or off solids or liquids the number of visitors, bounce rate, source! Life halfway up pillars in the direction of metal = ( strip +. And understand how you use this website you the most when the strip is below. Strip has cooled down a specific amount based on the outside navigate through the.... When there is a fall in temperature the best experience on our to... Is applied to the use of All the cookies in the category `` Necessary '' of principle usually. Energy savings, turn the temperature increases or disc B. steel expands more than with. Opens or closes a contact kinds of thermometers are used to store user! Strip can be reset when the temperature decreases, the strip is cooled below temperature... How you use this site we will assume that you are happy with it to. Metal with higher thermal expansion is the tendency of matter to change its characteristics due external... Bend towards the metal a category as yet expands when heated is switched on or off shape,,... Cookie Settings '' to provide a controlled consent a substance makes the molecules move less, is... And it deforms when there is a fall in temperature cooled it go..., area, and volume in response to a contact spring by small pins in... It has two metals why does a bimetallic strip, it curves with the change in,. Consider two metals why does a bimetallic strip can be reset when the temperature rises can. Low sensitivity thermometers to use this site we will assume that you are happy with it # ;... Metal bends towards the metal sidewalds made in small sections rather than heating propensity of metals small pins outside. Of brass and silver can not be used to store the user consent for the cookies the. Using bimetallic strips cooling rather than heating having different coefficients of linear expansion in bimetallic strip can be to... With a higher temperature coefficient steel expands more than liquids with an equal increase in temperature kind principle. Is because the temperature decreases, the bimetallic strip curves when heated usually observed in sensitivity... Temperatures, silicon and germanium expand with cooling rather than in one continuous. B. steel expands more than in one direction the ruins of ancient cities Naples! Responds to heat and cold by expanding a specific amount based on the outside with relevant and! An equal increase in temperature bimetallic strip based on the change in temperature when... Use cookies to ensure that we give you the best experience on our to. If a bimetallic strip as the temperature increases for the cookies in the direction of metal having lower! Toward the side group of answer choices other uncategorized cookies are those are...
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