An a.c. voltmeter with a maximum scale reading of 50-V has a resistance of 500 Ohm and
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An a.c. voltmeter with a maximum scale reading of 50-V has a resistance of 500 Ohm and an inducts of 0.09 henry. The magnetising coil is wound with 50 turns of copper wire and the remainder of the circuit non-inductive resistance in series with it. What additional apparatus is needed to make this instrument correctly on both d.c. circuits or frequency 60?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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