A single-phase energymeter is operating on 230 V, 50 Hz

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A single-phase energymeter is operating on 230 V, 50 Hz supply with a load of 20 A for two hours at upf. The meter makes 1380 revolutions in that period. The meter constant is

1. 695 rev/kWh
2. 150 rev/kWh
3. 0.15 rev/kWh
4. 1/150 rev/kWh

Correct Option: B

Energy consumed =	230 × 20 × 1 × 2	= 9.2kWh
	1000

Revolution made = 1380

∴ Meter constant =	1380	= 150 rev/kWh
	9.2