Question

A refrigerator is a device which works on the principle that evaporation of a liquid gives a cooling effect.

• A. True
• B. False

Answer 1

The correct option is A True

A refrigerator works on principle of thermodynamics of extracting heat from a body which means making it drop its temprature. There is nothing like cooling a thing its a by product of removing or extracting heat from a material or a body. This is what a refrigerator does. Refirgerator with help of coolant flowing through coolant tubes and condensor does this job of extracting heat from the all items kept in refrigerator.

A refrigerator is a device which works on the principle that evaporation of a liquid gives a cooling effect.

Option A is correct.