A wire of length L and diameter D has a resistance R. If the length and the diameter of the same wire are decreased to half of their original values, the resistivity of the new wire A. doubles. B. drops

A wire of length L and diameter D has a resistance R. If the length and the diameter of the same wire are decreased to half of their original values, the resistivity of the new wire

A. doubles.
B. drops to half its original vale.
C. quadruples
D. drops to one quarter its original value.
E. remains the same.

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A wire of length L and diameter D has a resistance R. If the length and the diameter of the same wire are decreased to half of their original values, the resistivity of the new …

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