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Galvanometer

A galvanomete...

Question

A galvanometer in series with a high resistance is called

A

An ammeter

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B

A voltmeter

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C

A wattmeter

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D

None of the above

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Solution

The correct option is B A voltmeter
In the ideal condition, the voltmeter should have infinite resistance in order to prevent error in reading. However, this is not practically possible. To make the resistance as high as possible a series resistance is connected to the Galvanometer to convert it to a voltmeter. It also serves the purpose of protecting the Galvanometer from damage due to high current

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To convert a galvanometer into an ammeter, a resistance is joined in series with it.

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