Parallel Current-Conducting rods

  • Thread starter Quelsita
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Main Question or Discussion Point

OK, I have kind of a stupid question. Why is it that when you have two current-conducting rods placed parallel to each other they will attract each other if their currents flow in the same direction and not opposite?

Thanks!
 

Answers and Replies

rock.freak667
Homework Helper
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If you draw the magnetic fields due to one , on the other and then use Flemming's left hand rule, you will see that the force is towards the other conductor.
 
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OK, soby the left-hand rule the forces for currents in the same direction would be pointing in the same direction but for currents in opposite directions the forces would be pointed toward eachother and thus repelling eachother?
 

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