A single phase energy meter has the rating 1200 resolutions/ kWh ___

A single phase energy meter has the rating 1200 resolutions/ kWh.

If a 500 W electric gadget is used for 4 hours, the energy meter will make

A. 1200 revolutions
B. 1800 revolutions
C. 2100 revolutions
D. 2400 revolutions

Show Answer

Answer: D

Share your understanding of this question with the correct explanation.