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Ammeter

To convert a ...

Question

To convert a galvanometer into a voltmeter one should connect a : -

A

High resistance in series with galvanometer

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B

Low resistance in series with galvanometer

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C

High resistance in parallel with galvanometer

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D

Low resistance in parallel with galvanometer

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Solution

The correct option is B High resistance in series with galvanometer
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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