Measurements and Instrumentation

Q1: 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

ANS:D - 2400 revolutions

0.5 x 4 = 2 kWh = 2 x 1200 revolutions.



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