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Question

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 D 48Ω
R=VIgG=5100×1032=502=48Ω

Physics

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