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current of 75.8 mA exists in a metal wire. How many e- flow past given crossection of wire in 9.8 min? fundamental charge=1.602 × 10−19 C.?

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  • 6 years ago

    1 amp = 1 C/sec, so 75.8 mA = 75.8e-3 C/sec

    75.8e-3 C/sec * 1 e-/1.602e-19 C = 4.73e17 e-/sec

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