Copper wire has a diameter of 1.02 mm. It carries a current of 1.67 A to a 200 W bulb. The density of free electrons is 8.5x10^28 electrons per cubic meter.
Find a) the current density and b) the drift velocity
a)
current density
J = i/A = 2043742.829 A/m^2
b)
drift velocity
Vd = I/neA
Vd = 0.000150275 m/sec
Copper wire has a diameter of 1.02 mm. It carries a current of 1.67 A to...
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