There are 8.5 x 10^28 free electrons in one cubic meter of copper. When the copper conductor is worked at 155 A/cm^2 the velocity of the axial drift will be
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Answer:
1 × 10^-4
Explanation:
J=nev
v=I/ne
= (1 / 7.4 × 10^−7) × 8.4 × 10^28
= 10^−2 / 8.4 × 1.6 × 7.4
= 1 × 10^−4
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