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In an experiment for calibration of volt...

In an experiment for calibration of voltmeter, a standard cell of emf 1.5V is balanced at 300cm length of potentiometer wire. The P.D across a resistance in the circuit is balancedat 1.25m. If a voltmeter is connected across the same resistance. It reads 0.65V. The errorin the volt meter is

A

`0.05V`

B

`0.025 V`

C

`0.5 V`

D

`0.25 V`

Text Solution

Verified by Experts

The correct Answer is:
B
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