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  4. A bimetallic strip consists of metals A and B. It is mounted rigidly as shown. The metal A has higher coefficient of expansion compared to that of metal B. When the bimetallic strip is placed in a cold both, it will <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/ccee5888500375c4ecd2fac8030304a9-.png />

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Q. A bimetallic strip consists of metals A and B. It is mounted rigidly as shown. The metal A has higher coefficient of expansion compared to that of metal B. When the bimetallic strip is placed in a cold both, it will
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JEE MainJEE Main 2021Thermal Properties of Matter

Solution:

$\alpha_{ A }>\alpha_{ B }$
Length of both strips will decrease
$\Delta L _{ A }>\Delta L _{ B }$
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