Figure shows a cross-section of a long ribbon of width `omega` that is carrying a
Channel: Doubtnut
Date: 2020-07-12

Figure shows a cross-section of a long ribbon of width `omega` that is carrying a uniformly distributed total current i into the page. Calculate the magnitude and direction of the magnetic field `B` at a point `P` in the plane of the ribbon at a distance d from its edge. `