When a body is placed in surroundings at a constant

Last updated: 6/10/2023

When a body is placed in surroundings at a constant temperature of 20 C and heated by a 10 W heater its temperature remains constant at 40 C If the temperature of the body is now raised from 20 C to 80 C in 5 minutes at a uniform rate the total heat it will lose to the surroundings will be A 3000 J C 4500 J B 3600 J D 5400 J