A voltmeter of resistance $1000\,\Omega $ gives full scale deflection when a current of $100\, mA$ flow through it. The shunt resistance required across it to enable it to be used as an ammeter reading $1\, A$ at full scale deflection is ............... $\Omega $
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(d) By using $\frac{i}{{{i_g}}} = 1 + \frac{G}{S}$
$ \Rightarrow $ $\frac{i}{{100 \times {{10}^{ - 3}}}} = 1 + \frac{{1000}}{S}$
$ \Rightarrow $ $S = \frac{{1000}}{9} = 111\,\Omega $
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