Question

Two long parallel wires W, and W2 are placed at a distance 2d apart and perpendicular to plane. They carry currents of equal magnitudes but opposite in direction such that wire W, carries current outwards the plane and wire W, carries current inwards the plane. The variation of magnetic field along the line joining the wires is best represented by​

Answer 1

Answer:

A is Correct option.....

• At x>d,B=along −  j ^

​At x<d,B=along j ^

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Explanation: