Physics: Current Amps being Conducted on a Wire
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If a 2.99 meter length of uniform conducting wire contains 5.1 * 10^18 current-carrying electrons, then if the electrons drift along the wire at .062 m/s, how many electrons per second pass a given point on the wire? What then is the current in amps?
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Solution Summary
This solution explains how to calculate the current in amps being conducted on a wire in the given physics problem.
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** Please see the attached file for the diagram **
Let, A = area of cross section of the wire
L = length of wire = 2.99 m
N = Total no. of free electrons in the wire = 5.1 x 10^18
v = drift velocity of electrons = 0.062 m/s
Volume of the wire = ...
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