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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​​​​​​​

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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