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How do I solve this question??? Please help. Ans: Option 2
Dear studentApply symmetry conditon n this at O The resistance joining O will come in series = 2r 2r || r = 2r/3 2r/3 will come in series with 2r So, Its equivalnt = 8r/3 8r/3 || 2r is the equivalent R b/n A and B It will be = 8r/7 B is correct
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