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4 July, 20:45

Two identical metal spheres A and B are in contact. Both are initially neutral. 1.0 * 10 12 electrons are added to sphere A, then the two spheres are separated. Part A Afterward, what is the charge of sphere A? Express your answer with the appropriate units. q A q A = nothing nothing SubmitRequest Answer Part B Afterward, what is the charge of sphere B? Express your answer with the appropriate units. q B q B = nothing nothing SubmitRequest Answer Provide Feedback Next

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  1. 5 July, 00:39
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    8 x 10^-8 C on both the spheres.

    Explanation:

    Number of electrons added to A = 1 x 10^12

    As the sphere A and B are identical to each other so the charge is shared equally.

    Charge of one electron = 1.6 x 10^-19 C

    Charge on A after wards

    = number of electrons after wards x charge of one electron

    qA = 0.5 x 10^12 x 1.6 x 10^-19 = 8 x 10^-8 C

    Similarly, the charge on sphere B afterwards

    = number of electrons after wards x charge of one electron

    qB = 0.5 x 10^12 x 1.6 x 10^-19 = 8 x 10^-8 C
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