Find (a) The current density and (b) The drift velocity if there is a current of 1
Question:
Find
(a) The current density and
(b) The drift velocity if there is a current of 1 mA in a No. 14 copper wire. (The diameter of No. 14 wire, which is often used in household wiring, is 0.064 in = 0.163 cm.)
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