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The range of voltmeter is 10 V and its i...

The range of voltmeter is 10 V and its internal resistance is `50 Omega`. To convert it to voltmeter of range 15 V, how much resistance is to be added ?

A

Add `25 Omega` resistor in parallel

B

Add `25 Omega` resistor in series

C

Add `125 Omega` resistor in parallel

D

Add `125 Omega` resistor in series

Text Solution

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The correct Answer is:
B
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