Which of the following statement is correct according to Clausis statement of second law of thermodynamics?
(A) It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.
(B) It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. (Ans)
(C) It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.
(D) None of the above