Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
Figure shows the action of a switch by a bimetallic strip. If and are the coefficients of thermal expansion of metal 1 and metal 2 respectively:
Options:
Answer:
A
Solution:
A heated bimetallic strip bends towards the lower-expansion metal.
That metal lies on the inner side of the curve.
The displayed switch requires
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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