100 mA current gives a full scale deflection in a galvanometer of resistance 2Ω. The resistance connected with the galvanometer to convert it into a voltmeter of 5 V range is
A
98Ω
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B
52Ω
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C
80Ω
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D
48Ω
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Solution
The correct option is D48Ω R=VIg−G=5100×10−3−2=50−2=48Ω