View solution. Questions 1. When the strip is cold, it bends one way, and as it gets hotter it bends the other way. B) with the smaller coefficient of linear expansion. A bimetallic strip with bend towards what side, when uniformly heated? Brass Expands More Than Steel B. D) with the lower temperature. One end of a thin bimetallic spiral is fixed, the other end being attached to the spindle of a pointer which moves over a scale of degrees. This Happens Because ..... A. If the strip is cooled, it curves with the steel on the outside. A bimetallic strip consists of two strips of different metals, usually steel or copper or steel and brass. When this bimetallic strip is heated, the brass expands more than the steel and the strip curves with the brass on the outside. The coefficients of linear expansion of the two metals are α c and α b . The strips are joined together by riveting, welding or brazing to form one metal strip. When a bimetallic strip is heated, the strip will bend toward the side A) with the larger coefficient of linear expansion. 15.8 shows the principle of the bimetallic thermometer. Where is the thermostat used ? A bimetallic strip is formed out of two identical strips, one of Cu and the other of brass. When she heats a bimetallic strip made from brass and iron, each metal expands at a different rate and the strip bends. Before heating (above), the two strips are straight. I would have to agree with Greg Mahoney’s answer, which was “collapsed”, although it seems perfectly clear to me. Don't miss this! Since in a bimetallic strip there are two different metals they will expand different amounts. The metal strip will bend upwards. Click hereto get an answer to your question ️ statement (1): When a bimetallic strip made of iron and brass is heated then it bends in the form of concave towards Brass.statement (2): The coefficient of linear expansion of iron is less than brass. A bimetallic strip consists of two metal strips fastened together. The strip contracts when cold and vice versa when hot. Steel Expands More Than Brass 14. Is it possible for the water in two different containers to have equal internal energies? Contact. Since in a bimetallic strip there are two different metals they will expand different amounts. When the strip is heated it bends with the brass always on the outside of the curve. The bimetallic strip is made up of two different metals which are bonded together to form a straight, flat strip or a concentric coil. Draw two diagrams to show what happens to the same bimetallic strip when it is: (a) heated in a flame (b) cooled in a freezer 2. wat happens wen a bimetallic strip made of brass n steel is heated cooled - Physics - TopperLearning.com | n8l8j44 . Do the strips bends due to being heated by the current ? However, after heating (below), the yellow metal expands more, so the strip bends. What will happen when it is cooled? A Bimetallic strip is used to convert a temperature change into mechanical displacement.The strip consists of two strips of different metals which expand at different rates as they are heated,usually steel and copper,or in some cases steel and brass. B) with the smaller coefficient of linear expansion. B) copper gets hotter before iron. How it is used in a thermostat ? … the reason for this is? Q 19 . C) with the higher temperature. Metals are chosen that expand at different rates when the strips get hot. When one strip gets longer than the other, the combination has to bend. A bimetallic strip is made of two different metals. D) with the lower temperature. When the strip is heated, one of the metals heats up and expands faster than the other, causing the strip to bend. Bimetallic strip is used electric devices to cut-off the electric current once a preset temperature has been reached. When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. How is a bimetallic strip made ? Fig. When heated metals expand. When heated metals expand. When heated metals expand. Exam Prep Package at ₹2999 Only × Contact Us. These two strips expand to a different extent when heated. When heated metals expand. It is used to convert a temperature change into mechanical displacement. A bimetallic strip is made of two different metals. What happens when a bimetallic strip made of iron and brass is heated - 5614702 suthar9539 suthar9539 11.09.2018 Chemistry Secondary School What happens when a bimetallic strip made of iron and brass is heated 1 See answer suthar9539 is waiting for … As the strip is warmed, the metal with the greater average coefficient of expansion expands more than the other,forcing the strip into … 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. A bimetallic strip is composed of two different materials that have different expansion coefficients. its radius of curvature (R) , when its temperature is raised to θ 0 + Δ θ is E) none of these To “beat it to death”, the two metals have different coefficients of THERMAL expansion. A bimetallic strip is used to convert a temperature change into mechanical displacement. A student makes a "bimetallic strip" by using two identical strips of the same metal. yes, as long as both temperatures & masses are equal. These strips are often used in thermostats in houses to control the house temperature. C) with the higher temperature. What happens when a bimetallic strip is heated? What will happen to this strip when it is heated? Since in a bimetallic strip there are two different metals they will expand different amounts. Stella demonstrates the different conductive properties of two types of metals. A bimetallic strip of total thickness 'x' is unbent ( staright) at temperature θ 0. the coefficient of linear expansion of the two metals are α and 2 α respectively. volume. 10:00 AM to 7:00 PM IST all days. Need assistance? (a) First assume the strip is originally straight. 1800-212-7858 / 9372462318. 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. How tightening or loosening the screw increases thermostat switching? Explore answers and all related questions . Bimetallic strips are used as switches in thermostats. A bimetallic strip is formed out of two identical strips, one of Cu and the other of brass. A bimetallic strip is made of two different metals. A bimetallic strip with metal G on top and metal F on bottom is attached to a wall. Related questions . The reason for this is A) iron gets hotter before copper. As A Piece Of Metal With A Hole In It Is Heated, The Hole ..... A. Franchisee/Partner Enquiry (North) 8356912811. Bimetallic strip A bimetallic strip is used to convert a temperature change into mechanical displacement. When a bimetallic strip is heated, to which side will the strip bend? For Study plan details. Becomes Larger B. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. Bimetallic Strip. Decreasing the temperature of a substance will cause a decrease in. When a bimetallic strip is heated, the strip will bend toward the side A) with the larger coefficient of linear expansion. This mechanical deflection is then harnessed in various ways to switch electrical circuits or move a dial to a give heat value indication. D) iron expands more than copper. C) copper expands more than iron. If a bimetallic strip is heated, it will. The bimetallic strip . Question: What will happen if a bimetallic strip is made of two materials haveing the same coefficient of thermal expansion. A bimetallic strip is made of two separate strips of metal stuck together. The metals used are brass and invar, and the spiral tends to curl in a clockwise direction as the temperature rises. The coefficients of linear expansion of the two metals are α c and α b . When A Bimetallic Strip Made Of Brass And Steel Is Heated, The Strip Bends So That The Brass Side Is On The Outside Of The Bend. What happens if both ends of a bimetallic strip are clasped together ? If on heating the temperature of the strip goes up by Δ T and the strip bends to form an arc of radius R, then R is When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. 2 See answers Brainly User Brainly User Explanation: Bimetallic Strip. A bimetallic strip of length L is made of two ribbons of different metals bonded together. Contact us on below numbers. Bimetallic strip A bimetallic strip is used to convert a temperature change into mechanical displacement. So, when the strip is heated, one strip will be longer than the other. Since in a bimetallic strip there are two different metals they will expand different amounts. 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