32. A given length of a wire is doubled on itself and this process is repeated once again. By what factor does the resistance of the wire change?
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the resistance of A conductor is inversely proportional to its area of cross section...
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The length of wire is doubled on itself and so the area get reduced to half. The resultant resistance will be 4 times.
The process is repeated and therefore the resistance will increase by 4 times. The total resistance will be increased to 16 times.
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