The resistance of a wire is R. After it is re-moulded such that its area of cross section becomes n times its initial area of cross section. Its new resistance will be |
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(b) |
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(c) |
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(d) |
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The resistance of a wire is R. After it is re-moulded such that its area of cross section becomes n times its initial area of cross section. Its new resistance will be |
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(a) |
|
(b) |
|
(c) |
|
(d) |
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