A wire has a current density of 170 amm2 if thedrift
A wire has a current density of 17.0 A/mm2. If Thedrift velocity is 4.0 x 10-8 m/s, how many free electrons does the wire have in a 1.0 m length? Theradius of the wire is 1.0 mm.
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a wire has a current density of 170 amm2 if thedrift velocity is 40 x 10-8 ms how many free electrons does the wire
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