A 100Q resistor carrying a constant current of 0.5 A is kept at a constant temperature of 300 K by a stream of cooling water. In a time interval of 30 minutes, what are the changes in entropy for the resistor and that of the universe, respectively?

A 100Q resistor carrying a constant current of 0.5 A is kept at a cons

1.	A 100Q resistor carrying a constant current of 0.5 A is kept at a constant temperature of 300 K by a stream of cooling water. In a time interval of 30 minutes, what are the changes in entropy for the resistor and that of the universe, respectively?
A.	0 and 150 J/K
B.	150 J/K and 0
C.	300 J/K and 0
D.	0 and 300 J/K
Answer» B. 150 J/K and 0

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A 100Q resistor carrying a constant current of 0.5 A is kept at a constant temperature of 300 K by a stream of cooling water. In a time interval of 30 minutes, what are the changes in entropy for the resistor and that of the universe, respectively?

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