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PhysicsHeat & ThermoThermal ExpansionEasy2 minPYQ_2021

PhysicsEasysingle choice

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 :

Options:

Answer:

Solution:

$α_{A} > α_{B}$

Length of both strips will decrease $Δ L_{A} > Δ L_{B}$

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: PYQ_2021

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