convert galvano meter into voltmeter ma high resistance box and low resistance box q use karty ha? How is an ammeter connected in a circuit?
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Explanation:
Voltmeter is an electrical measuring device, which is used to measure potential difference between two points in a circuit. 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.
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