A bimetallic strip is made by rivetting two thin linear strips of copper ( alpha_C) and Iron ( alpha_1) at a temperature of theta_0. The thickness of each strip is 'd' and length of each is L_0. At some higher temperature theta, the bimetallic bends into an arc of angle theta as shown, so that the two electricalcontacts touch and electrical control system is activated. Now phi= (L_0)/( K alpha) ( alpha_( C) - alpha_(1) ) ( theta - theta_(0) ) , where K=

A bimetallic strip is made by rivetting two thin linear strips of copp

1.	A bimetallic strip is made by rivetting two thin linear strips of copper ( alpha_C) and Iron ( alpha_1) at a temperature of theta_0. The thickness of each strip is 'd' and length of each is L_0. At some higher temperature theta, the bimetallic bends into an arc of angle theta as shown, so that the two electricalcontacts touch and electrical control system is activated. Now phi= (L_0)/( K alpha) ( alpha_( C) - alpha_(1) ) ( theta - theta_(0) ) , where K=
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