Current Electricity: Peltier Effect MCQ

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Peltier EffectHardQuestion 31693

Question

The Peltier effect (cooling at one junction when current flows) is the basis of:

A
Fuse
B
Thermoelectric cooler / refrigerator
Correct
C
Resistance thermometer
D
Solar cell

Correct answer

Thermoelectric cooler / refrigerator

Explanation

Peltier modules pass current through a thermocouple junction; one side absorbs heat (cools) and the other releases heat. Used in portable coolers, CPU coolers, and precision temperature controllers.

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