Determine the unknown resistance R in the given network, if the galvan – McqOptions

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1.	Determine the unknown resistance R in the given network, if the galvanometer reads zero.
A.	\(R=\frac{P}{SQ} \)
B.	\(R=\frac{Q}{P}S \)
C.	\(R=\frac{P}{Q}S \)
D.	\(R=\frac{P-Q}{S} \)
Answer» D. \(R=\frac{P-Q}{S} \)

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