When an electric current flows through a long conductor,each free electron moves?

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When an electric current flows through a long conductor,each free electron moves?

A.From one end of the conductor to the other end
B.with a speed of 300,000,000 m/s
C.back and forth between the ends of the conductor
D.through a relatively short distance

2007-03-01 08:55:50 · 3 answers · asked by Whiskers 3 in Science & Mathematics ➔ Physics

3 answers

D

There are so many free electrons that the individual electron doesn't move very far. That's for DC. If we're talking AC, then even less distance - net of zero would be the average.

2007-03-01 09:30:05 · answer #1 · answered by sojsail 7 · 0⤊ 0⤋

Uh....you haven't mentioned whether it's AC or DC current

2007-03-01 17:02:44 · answer #2 · answered by skwonripken 6 · 0⤊ 0⤋

yes

2007-03-01 17:12:14 · answer #3 · answered by Craig C 1 · 0⤊ 0⤋