An Ideal Carnot Refrigerator with a Performance Coefficient (COP)of 5 $5.0 ^ { \circ } \mathrm { C } \text {. }$

Multiple Choice

An ideal Carnot refrigerator with a performance coefficient (COP) of 5.0 cools items inside of it to $5.0 ^ { \circ } \mathrm { C } \text {. }$ What is the high temperature needed to operate this refrigerator?

A) 61° C
B) 1395° C
C) 6° C
D) 30° C