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Three point charges are arranged as show in figure. What is their mutual potential energy? Take `q=1.0xx10^(-4)C and a=10cm`.

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Knowledge Check

  • Three charges +q, +q, +2q are arranged as shown in figure. What is the field at point P (center of side AC)

    A
    `E=q/(pi epsilon_(0)a^(2))`
    B
    `E=q/(2 pi epsilon_(0)a^(2))`
    C
    `E=q/(3 pi epsilon_(0)a^(2))`
    D
    `E=q/(4 pi epsilon_(0)a^(2))`

  • three point charge -q,q and Q are arranged as given in figure. If d is distance from centre of -q and +q to Q and dgtgtgta then the potential energy of given system is

    A
    `((kqQa)/(d^(2)))`
    B
    `((+kq^(2))/(a)+(kqQa)/(d^(2)))`
    C
    `((-kq^(2))/(a)+(kqQa)/(2d^(2)))`
    D
    `((-kq^(2))/(a)+(kqQa)/(d^(2)))`

  • The potential at a point due to charge of 5xx10^(-7)C located 10 cm away is

    A
    `3.5xx10^(5)V`
    B
    `3.5xx10^(4)V`
    C
    `4.5xx10^(4)V`
    D
    `4.5xx10^(5)V`

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