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1 November, 16:53

A current of 15 amps flows for 8.5 seconds, then the charge is?

123 J

1.829 J

0.54667 J

None of the other answers are correct

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Answers (1)
  1. 1 November, 16:59
    0
    127.5 C

    Explanation:

    Electric Current is the time rate of flow of electric charges. Mathematically, it is given as:

    I = Q / t

    Where I = current, Q = charge, t = time

    We are looking for charge, Q, so we make Q subject of the formula:

    Q = I * t

    Hence, for a current of 15 Amps that flowed in 8.5 seconds, the charge is:

    Q = 15 * 8.5

    Q = 127.5 C

    The unit of charge is Coulomb (C)
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