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A material B has twice the specific resi...

A material B has twice the specific resistance of A. A circular wire made of B has twice the diameter of a wire made of A. Then, for the two wires to have the same resistance, the ratio `I_B//I_A` of their respective lengths must be :

A

2

B

1

C

43467

D

43469

Text Solution

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The correct Answer is:
C
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RESONANCE ENGLISH-CURRENT ELECTRICITY-Exrcies-3(PART-2)
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