The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H ___

The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H.

It reads 250 V when a 250 V dc is applied.

If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be

A. 260 V
B. 252 V
C. 250 V
D. 248 V

Show Answer

Answer: D

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