A shunt of resistance \(1\,\Omega \) is connected across a galvanometer of \(120\,\Omega \) resistance. A current of \(5.5\, ampere\) gives full scale deflection in the galvanometer. The current that will give full scale deflection in the absence of the shunt is nearly ............... \(ampere\)

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Correct Answer

(D) \(0.045\)

Step-by-step Solution

Detailed explanation

The current that will given full scale deflection in the absence of the shunt is nearly equal to the current through the galvanometer when shunt is connected i.e. \(I_g\)

\( \text { As } I_{8} =\frac{1 S}{G+S} \)

\(=\frac{5.5 \times 1}{120+1}=0.045 \text { ampere } \)

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