How is galvanometer used as a voltage measuring device?
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Voltmeter is always connected in parallel to a circuit. Since Galvanometer is a very sensitive instrument, therefore it can not measure high potential difference. In order to convert a Galvanometer into voltmeter, a very high resistance known as "series resistance" is connected in series with the galvanometer....
hope it's helpfull....
hope it's helpfull....
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