two copper wire A and B of length 30 m and 10m have radii 2cm and 1cm . compare the resistance of 2 wires ,which will have less resistance
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the wire having length 30m consist more resistance than that of wire having length 10m due to its long length and the wire B having less resistance due to its less length but according to their cross secton area wire B having more resistance than that of wire A.
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