Electric current .

  • #1
208
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Electric current.....

Homework Statement


When a steady current passes through a cylindrical conductor , is there an electric field inside the conductor?


Homework Equations





The Attempt at a Solution


How do i approach this.....? I mean i know -E.dx = dV in electrostatics......So going by that here current is flowing so there is ome potential difference and so there should be a field given by -V/x ehre V is PD and x is length of wire......IS this right?
 

Answers and Replies

  • #2
1,137
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yes there is electric field.
this is very simple as if there was no field ... why would the electrons move to produce current?
 
  • #3
208
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Ya.....so is my explanation correct?
 

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