The coils at the back of a refrigerator are warm because:

  1. heat flows in from the room
  2. they are electric heaters
  3. the motor is broken
  4. the refrigerant condenses there and releases heat
Answer

D) the refrigerant condenses there and releases heat

Condenser. SLO P-11-C-17 · Understanding

Physics MCQ · More Heat Engines, Second Law and Entropy MCQs · Practise