Current Electricity and Electrical InstrumentEasy
Question
The balancing length is obtained at 78.4 cm length while measuring the potential difference at the ends of a resistance wire. When same potential difference is measured with a voltmeter, it shows 1.20 volt. If a standard cell of emf 1.018 volt is balanced at 63.2 cm, the error in voltmeter reading in volt will be : -
Options
A.−0.06
B.+0.06
C.−0.03
D.+0.03
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