Current Electricity

Question: In the Wheatstone's bridge shown, $P = 2\,\Omega ,$ $Q = 3\,\Omega ,$$R = 6\,\Omega $ and $S = 8\,\Omega $. In order to obtain balance, shunt resistance across 'S' must be

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1) $2\,\Omega $
2) $3\,\Omega $
3) $6\,\Omega $
4) $8\,\Omega $
Solution: Explanation: No Explanation
Grouping of Resistors Combination of Resistors

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