Question:medium
A galvanometer of resistance ' \(G\) ' can be converted into a voltmeter of range \( (0 - V) \) volt by connecting a resistance ' \(R\) ' in series with it. The resistance ' \(R\) ' required to change its range from \( \left(0 - \frac{V}{4}\right) \) volt will be
A galvanometer of resistance ' \(G\) ' can be converted into a voltmeter of range \( (0 - V) \) volt by connecting a resistance ' \(R\) ' in series with it. The resistance ' \(R\) ' required to change its range from \( \left(0 - \frac{V}{4}\right) \) volt will be
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Voltmeter:
$R = \frac{V}{I_g} - G$
Updated On: May 8, 2026
- \(\frac{R-G}{2}\)
- \(\frac{R-2G}{3}\)
- \(\frac{R-3G}{4}\)
- \(\frac{4R-3G}{5}\)
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The Correct Option is B
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