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The heat produced in a conductor …

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The heat produced in a conductor carrying current is 40l in 4sec if the current be doubled then find the heat produced in 4sec

    • Posted by Surender Kumar 6 years, 9 months ago

    CBSE > Class 10 > Science
    • 1 answers

    Rahul Agarwal 6 years, 9 months ago

    H = I2RT

    H1=I12RT

    40 = I12RT ............. (1)

    H2=I22RT,   where I2 = 2I1

    = (2I1)2RT

    =4I12RT

    = 4x40 = 160 J

    1Thank You

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