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Discussion :: Network Analysis and Synthesis

  1. A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resistance is likely to be

  2. A.
    44 Ω
    B.
    54 Ω
    C.
    84 Ω
    D.
    104 Ω

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    Answer : Option B

    Explanation :

    Temperature coefficient of copper = 0.00393

    R100 = 40 (1 + 0.00393 x 80) 54 Ω


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