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25 June, 14:40

An electron has a charge of - 1.6 * 10-19

c. how many electrons would be needed to produce a net charge of - 5.5 * 10-7 c? round the final answer to one decimal place.

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  1. 25 June, 16:47
    0
    -4.8 x 10^-6 / - 1.6 x 10^-19 electrons

    turns to

    3 x 10^13 electrons
  2. 25 June, 16:55
    0
    electrons are negatively charged

    an electron has a charge of - - 1.6 x 10⁻¹⁹ C

    the net charge to be produced is - 5.5 x 10⁻⁷ C

    net charge is produced by several number of electrons

    to find the number of electrons required - divide the net charge by the charge of 1 electron

    number of electrons = - 5.5 x 10⁻⁷ C / - 1.6 x 10⁻¹⁹ C = 3.4 x 10¹² electrons

    answer is 3.4 x 10¹² electrons
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