engineering recuitment UPCL AE (E&M) 2021 Mock Test Electrical and Electronics Measurements Measurement of Energy
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:
1
0.25 revolution/kWh
2
250 revolution/kWh
3
0.30 revolution/kWh
4
270 revolution/kWh