A spring controlled moving iron voltmeter reads

Posted on 2014-02-21 13:52:00 in Physics by VARLEY_D

A spring controlled moving iron voltmeter reads correctly on 250 v d.c. Calculate the scale reading when 250 V a.c. is applied aH 50 Hz. The instrument coil has a resistance of 500 ? and an inductance of 1 H and the series (non-reactive) resistance is resistance of 500 ? and an inductance of 1H and the series (non-reactive) resistance is 2,000 ?.

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