question_answer

Which of the following statement is correct  [MP PET 1994]

A)            Both Peltier and Joule effects are reversible

B)            Both Peltier and Joule effects are irreversible

C)            Joule effect is reversible, whereas Peltier effect is irreversible

D)            Joule effect is irreversible, whereas Peltier effect is reversible