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Discussion :: Network Analysis and Synthesis

  1. A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be

    2. A.
    0.5 R
    B.
    0.25 R
    C.
    0.125 R
    D.
    R/16

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    Answer : Option D

    Explanation :

    Since diameter is double, area of cross-section is four times and length is one-fourth.

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