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To measure a potential difference across...

To measure a potential difference across a resistor of resistance `"R"Omega` a voltmeter of resistance `R_v` is used. to measure the potential with a minimum accuracy of `95%`, then

A

`R_v=5R`

B

`R_v=15R`

C

`R_v=10R`

D

`R_vge19R`

Text Solution

Verified by Experts

The correct Answer is:
D
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