A bimetallic strip consists of metals A and B . It is mounted rigidly as shown. The metal A has higher…

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 :

  1. Bend towards the right
  2. Not bend but shrink
  3. Neither bend nor shrink
  4. Bend towards the left

Solution

αA>αB

Length of both strips will decrease ΔLA>ΔLB

Asked in: JEE Main 2021 (16 Mar Shift 2)

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