Two long parallel wires are at a distance 2d apart. They carry equal steady currents flowing out of the plane of the paper as shown. The variation of the B along the line XX1 is given by-
1st fig or 2nd fig?? Explain along with your answer.
Thanks
1second one, because field is directed alomg different directions once we move to different sides of the wire, if u draw the field lines, then near a wire we can neglect field due to other wire and find field due to that wire only, using this logic fig. 2
1@Sandipan- Why did you take upward direction as positive for field?
