The coil of a moving iron instrument has a resistance of ___

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

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

It series resistance is 2000 ohms 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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