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What should be the position of charge ...

What should be the position of charge ` q = 5 mu C ` for it to be in equilibrium on the line joining two charges ` q_1 = -4 mu C and q _ 2 = 16 mu C ` separated by 9 cm. Will the position change for any other value of charge q ? ( 9 cm from - 4 ` muC` )

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Knowledge Check

  • Two positive point charges q_1=16muC and q_2=4muC are separated in vacuum by a distance of 3.0m . Find the point on the line between the charges where the net electric field is zero.-

    A
    `2 m` from `q_1`
    B
    `1 m` from `q_1`
    C
    `2m` from `q_2`
    D
    `0.5 m` from `q_1`

  • Two point charges q_(1) = 4 mu C and q_(2) = 9 mu C are placed 20 cm apart. The electric field due to them will be zero on the line joining them at distamce of

    A
    `8 cm` from `q_(1)`
    B
    `8 cm` from `q_(2)`
    C
    `(80)/(13) cm` from `q_(1)`
    D
    `(80)/(13) cm` from `q_(2)`

  • Two point charges q_(1) = +2 C and q_(2) = - 1C are separated by a distance d . The position on the line joining the two charges where a third charge q = + 1 C will be in equilibrium is at a distance

    A
    `(d)/(sqrt(2))` from `q_(1)` and `q_(2)`
    B
    `(d)/(sqrt(2))` from `q_(1)` away from `q_(2)`
    C
    `(d)/(sqrt(2) - 1)` from `q_(2)` between `q_(1)` and `q_(2)`
    D
    `(d)/(sqrt(2) - 1)` from `q_(2)` away from `q_(1)`

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    Two charges 1 mu C and 1 mu C are placed at a distance of 10cm .The position of third charge between them so that it does not experience any force

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