Physics, asked by Reeju3062, 10 months ago

Can a hot-wire ammeter be used to measure a direct current of constant value? Do we have to change the graduations?

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Answered by Anonymous
0

Answer: A hot-wire ammeter measures the rms value of current for an alternating current. ... As, the rms value of the current is same as the direct current thus we need not change the graduations.

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