1.

A 230 V single-phase energy meter has a constant load current of 20 A at unity power factor. If the meter disc makes 2300 revolutions for 2 hours, the meter constant will be:

A. 0.25 revolution/kWh
B. 250 revolution/kWh
C. 0.30 revolution/kWh
D. 270 revolution/kWh
Answer» C. 0.30 revolution/kWh


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