Two scales on a no digital voltmeter measure voltages up to 20.0 and 30.0 V, respectively. The
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Two scales on a no digital voltmeter measure voltages up to 20.0 and 30.0 V, respectively. The resistance connected in series with the galvanometer is 1680 Ω for the 20.0-V scale and 2930 Ω for the 30.0-V scale. Determine the coil resistance and the full-scale current of the galvanometer that is used in the voltmeter.
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For the 200 V scale V 1 IR 1 R c For the 300 V ...View the full answer
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