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    Physics-
    General
    Easy

    Question

    The work required to put the four charges at the corners of a square of side a, as shown in figure, is

    1. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end fraction q squared over a
    2. negative fraction numerator 2.6 over denominator 4 pi epsilon subscript 0 end fraction q squared over a
    3. plus fraction numerator 2.6 over denominator 4 pi epsilon subscript 0 end fraction q squared over a

    4. None of these

    The correct answer is: negative fraction numerator 2.6 over denominator 4 pi epsilon subscript 0 end fraction q squared over a

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