A) \[10\,\Omega \]
B) \[5\,\Omega \]
C) \[\frac{1}{5}\Omega \]
D) \[500\,\Omega \]
Correct Answer: A
Solution :
Wheatstone bridge is balanced, therefore \[\frac{P}{Q}=\frac{R}{S}\] or \[1=\frac{10}{S}\] Þ \[S=10\,ohm\]
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