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  • A bimetallic strip consists of metals A and B. It is mounted rigidly as shown in the figure The metal A has higher coefficient of expansion compared to that of metal B. When the bimetallic strip is placed in a cold bath it wll, <img alt="" src="https:/

A bimetallic strip consists of metals A and B. It is mounted rigidly as shown in the figure The metal A has higher coefficient of expansion compared to that of metal B. When the bimetallic strip is placed in a cold bath it wll,
Option: 1 Neither bend nor shrink
Option: 2 Bend towards the right
Option: 3 Not bend but shrink
Option: 4 Bend towards the left

Answers (1)

best_answer

\begin{aligned} &As \ \alpha_{\mathrm{A}}>\alpha_{\mathrm{B}}\\ &\text {And since temperature is decreasing so Length of both strips will decrease }\\ &So \ \Delta \mathrm{L}_{\mathrm{A}}>\Delta \mathrm{L}_{\mathrm{B}} \end{aligned}

therefore it Bend towards the left

Posted by

avinash.dongre

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