An energy meter connected to an immersion heater (resistive) operating on an AC 230 V, 50 H z, AC single phase source reads 2.3 units (kWh) in 1 hour. The heater is removed from the supply and now connected to a 400 V peak to peak square wave source of 150 Hz. The power in kW dissipated by the heater will be

An energy meter connected to an immersion heater (resistive) operating

1.	An energy meter connected to an immersion heater (resistive) operating on an AC 230 V, 50 H z, AC single phase source reads 2.3 units (kWh) in 1 hour. The heater is removed from the supply and now connected to a 400 V peak to peak square wave source of 150 Hz. The power in kW dissipated by the heater will be
A.	3.478
B.	1.739
C.	1.540
D.	0.870
Answer» C. 1.540

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