Determine the force on a unit N-pole placed 0.2m from the wire and also calculate the diameter of the loop ?

Determine the force on a unit N-pole placed 0.2m from the wire and also calculate the diameter of the loop ?



A current of 10 A is flowing through a straight wire. Determine the force on a unit N-pole placed 0.2m from the wire. if the wire is bent to form into a loop, calculate the diameter of the loop so as to produce the same force at the centre of the coil upon a unit N-pole when carrying a current of 10 A.





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