Magnetic field halfway between two parallel wires.

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vikramb4
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Homework Statement


two parallel wires 20 cm apart carry currents of 16 A in the same direction.what is the magnetic field halfway between them? why is this so?


Homework Equations





The Attempt at a Solution

 
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Discussion

Draw out the fields in a simple diagram and you will see you can take advantage of some symmetries.
 

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