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Question 10 A cylindrical conductor of length l and uniform area of cross-section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section (a) A2 (b) 3A2 (c) 2A (d) 3A |
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Answer» Question 10 A cylindrical conductor of length l and uniform area of cross-section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section (a) A2 (b) 3A2 (c) 2A (d) 3A |
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