In a refrigerator, one removes heat from a lower temperature and deposites to the surrounding
Channel: Doubtnut
Date: 2020-08-02

In a refrigerator, one removes heat from a lower temperature and deposites to the surrounding at a higher temperature. In this process, machanical work has to be done, which is provided by an elecrtic motor. If the motor is of `1KV` power, and heat is transferred from `-3^(@)C "to" 27^(@)C`, find the heat taken out of the refrigerator per second assuming its efficiency is `50%` of a perfect engine.