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Ratio of resistivities of two materials A and B is 1:2, ratio of their length is 3:4. If the ratio of their radii is 2:3, find the ratio of resistance of A and B, (1) 3:4 (2) 4:3 (3) 32:27 (4) 27:32 |
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Answer» Correct option is (4) 27:32 |
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