Question

If a refrigerator discards 80 J of heat per cycle and its coefficient of performance is 6.0, what are (a) the quantity of heat it removes per cycle from a cold reservoir

a) 480 J
b) 480 J
c) 400 J
d) 80 J

Answer 1

The quantity of heat removed per cycle from a cold reservoir is 480 J.

Step-by-step explanation:

The quantity of heat removed per cycle from a cold reservoir can be calculated using the formula:

Quantity of heat removed = Coefficient of performance * Quantity of work done

Given that the coefficient of performance is 6.0 and the quantity of work done is 80 J, we can calculate:

Quantity of heat removed = 6.0 * 80 J = 480 J