A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the machine is
A)10%.
B)50%.
C)90%.
D)110%.
E)none of the above

Name: A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the machine is A)10%. B)50%. C)90%. D)110%. E)none of the above
Brand: Quizplus
Rating: 4.8 (40 reviews)

Question

Quizplus · Accepted Answer

Efficiency is calculated as (output power/input power) * 100%. Here, it's (100W/1000W) * 100% = 10%.

A Machine Puts Out 100 Watts of Power for Every