In a cold storage, ice melts at the rate of `2 kg//h` when the external temperature is `20^(@)C
Channel: Doubtnut
Date: 2020-01-19

In a cold storage, ice melts at the rate of `2 kg//h` when the external temperature is `20^(@)C`. Find the minimum power output of the motor used to drive the refrigerator which just prevents the ice from melting. Latent heat of fusion of `ice = 80 cal//g`