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In the given circuit, the voltmeter read...

In the given circuit, the voltmeter reads SV. The resistance of the voltmeter is :

A

`200Omega`

B

`100Omega`

C

`10Omega`

D

`50Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
Total EMF of battery 10 V is equaly divided btween `50Omega` and other parallel combination of `100Omega` and voltmeter. If R is the resistance of voltmeter then their net resistance should be same so we have
`(100xxR)/(100+R)=50impliesR=100Omega`
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