# Charge seperation in a conducting wire

## Main Question or Discussion Point

If I have a conducting wire of length l and a charge seperation develops between one end of the wire and the other, will the electric field have a magnitude is equal to: V/l
(voltage/length of wire)??

## Answers and Replies

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If I have a conducting wire of length l and a charge seperation develops between one end of the wire and the other, will the electric field have a magnitude is equal to: V/l
(voltage/length of wire)??
If your "l" is the length of the wire between two points of charge separation , and "V" is the voltage between the two points of charge separation in the wire , then your formula is correct.

More info here ( page 4 , topic 3.2) :

http://www2.warwick.ac.uk/fac/sci/physics/current/teach/module_home/px263/lectures/sefton.pdf