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A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s.
(a) What is the current in the wire?
1 A
(b) How many electrons pass the cross-sectional area in 1.0 min?
2 electrons

  • physics -

    I= Δq/Δt =47•10^-3/19 = ...
    N = Δq/e = 47•10^-3/1.6•10^-19 = ...

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