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2 January, 09:50

A copper wire has a diameter of 1.02mm and carries

a constant current of 1.67A. If the density of

free electrons in copper is 8.5 x10 to the power 28 per meter cube. calculate

the current density and drift velocity of the electrons

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Answers (1)
  1. 2 January, 11:53
    0
    area = a

    density * vd * q * area = I

    and J = I / A

    (current density)
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