A 10m wire that carries a current of 3A from east to west is placed in a magnetic field of 0.0004T running from south to north. Find the size and direction of the magnetic force on the wire. **how do we find this? :/ Thanks!!:)

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the situation described into your problem is: |dw:1433612353948:dw|

ok!

since magnetic field and current are perpendicular each other, then the magnitude of the magnetic force is: \[\Large F = ILB\] where L = 10 meters

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