A voltmeter has a resistance of G Ohm and range of V volt. The value o

1.	A voltmeter has a resistance of G Ohm and range of V volt. The value of resistance used in series to convert it into a voltmeter of range nV volt is(a) nG(b) \(\frac{G}{(n-1)}\)(c) (n - 1)G(d) \(\frac{G}{n}\)
Answer» Answer is : (c) (n - 1)G \(I_g=\frac{V}{G}\) and \(R=\frac{nV}{I_g}-G\) \(=\frac{nV}{V/G}-G\) = (n - 1)G

A voltmeter has a resistance of G Ohm and range of V volt. The value of resistance used in series to convert it into a voltmeter of range nV volt is(a) nG(b) \(\frac{G}{(n-1)}\)(c) (n - 1)G(d) \(\frac{G}{n}\)

Answer»

Answer is : (c) (n - 1)G

\(I_g=\frac{V}{G}\) and \(R=\frac{nV}{I_g}-G\) \(=\frac{nV}{V/G}-G\)

= (n - 1)G

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A voltmeter has a resistance of G Ohm and range of V volt. The value of resistance used in series to convert it into a voltmeter of range nV volt is(a) nG(b) \(\frac{G}{(n-1)}\)(c) (n - 1)G(d) \(\frac{G}{n}\)

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