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One metre long metallic wire is broken into two unequal parts P and Q The...

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One metre long metallic wire is broken into two unequal parts P and Q The part P is uniformly extended into another wire R Length of R is twice the length of P and the resistance of R is equal to that of Q The ratio of the resistances of P and Ris A 1 4 B 1 2 C 3 2 D 2 3

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