If n represents the actual number of deflections in a converted galvanometer of resistance G and shunt resistance S. Then the total current I when its figure of merit is K will be
1
\(\frac{K S}{S+G}\)
2
\(\frac{G+S}{n K S}\)
3
\( \frac{n K S}{(G+S)}\)
4
\( \frac{n K(G+S)}{S}\)
5
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