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gabor7896
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Homework Statement
A copper conductor with a cross-section of A and a length of is connected to a battery with a electromotive force of U. The resistance of the conductor is R, and the internal resistance of the battery is negligible.
U = 220 V
l = 10 m
A = 10 mm2
R = 0.01695 [tex]\Omega[/tex]
Determine the average speed of the electrons!
The Attempt at a Solution
I know the electric current. But I have no idea how many electrons are moving.
I'm not a native speaker. I may have grammer mistakes.