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

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asked Jun 24, 2017 in Physics by Kundan kumar (49,132 points) ● 34 ● 379 ● 1011
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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answered Jun 24, 2017 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
selected Jun 28, 2017 by Kundan kumar
 
Best answer
(c) 2A is the area of cross section
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