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21 February, 06:56

Three Small Identical Balls Have Charges - 3 Times 10^-12 C, 8 Times 10^12 C And 4 Times 10^-12 C Respectively. They Are Brought In Contact And Then Separated. Calculate Charge On Each Ball.

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  1. 21 February, 09:11
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    The charge in each ball will be 3 * 10^-12 C

    Explanation:

    (Assuming the correct charge of the second ball is 8 * 10^-12)

    When the balls are brought in contact, all the charges are split evenly among then.

    So first we need to find the total charge combined:

    (-3 * 10^-12) + (8 * 10^-12) + (4 * 10^-12) = 9 * 10^-12 C

    Then, when the balls are separated, each ball will have one third of the total charge, so in the end they will have the same charge:

    (9 * 10^-12) / 3 = 3 * 10^-12 C

    So the charge in each ball will be 3 * 10^-12 C
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