Problem Solve about Power Electric

, , Leave a comment

An electric fan has a power output of 60 W. How much work is done if the fan operates for 120 s?
A. 0.5 J
B. 60 J
C. 120 J
D. 7200 J

Solve :
W = \frac{P}{t} =\frac{60}{120} = 0.5 J

Answer : A

 

Leave a Reply