The power of a machine that does 1000 J of work in 10 seconds is:
A
10 W
B
1000 W
C
100 W
D
10000 W
Correct Answer: Option C — 100 W
Explanation:
Power equals work divided by time, so 1000 joules divided by 10 seconds gives 100 watts. Power measures the rate at which work is done or energy is transferred in a system.