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A cylindrical conductor of length l and uniform area of crosssection A has resistance R.

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A cylindrical conductor of length l and uniform area of crosssection A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section
(a) A/2
(b) 3A/2
(c) 2A
(d) 3A
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(c) 2A is the area of cross section
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