In the thermoelectric refrigeration, the coefficient of performance is a function of

Question

 Consider the following statements:

                                             

In the thermoelectric refrigeration, the coefficient of performance is a function of

1. Electrical conductivity of materials.
2. Peltier coefficient.
3. Seeback coefficient.
4. Temperature at cold and hot junctions.
5. Thermal conductivity of materials.

Which of these statements are correct?

a) 1,3 ,4 and 5                         b) 1,2,3 and 5

c) 1,2,4 and 5              d) 2,3,4 and 5