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The resistance of a moving coil galvanom...

The resistance of a moving coil galvanometer is `20Omega`. It requires 0.01 A current for full - scale deflection. The value of resistance to convert it into a voltmeter of the range 20 V will be

A

`198Omega`

B

`1980Omega`

C

`20Omega`

D

`0Omega`

Text Solution

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The correct Answer is:
B
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