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Write down the formula for necessary high resistance to convert a galvanometer into a voltmeter of desired range.

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Write down the formula for necessary high resistance to convert a galvanometer into a voltmeter of desired range.

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R = \(\frac{V}{I_{g}}-G\)
Here, Ig = required current for full scale deflection. G is the resistance of the galvanometer and V is the range of voltmeter.

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