Question:
The diagram below shows three circuits consisting of
Last updated: 6/25/2023
The diagram below shows three circuits consisting of circular arcs half or quarter circles of radii r 2r and 3r as indicated and the straight line sections which are radial The three circuits carry the same current Rank them according to the magnitudes of the magnetic fields they produce at the centre of the circles starting with the greatest magnitude 2r 2r i A i ii iii B ii iii i C ii i iii D iii ii i 2r ii 2r r iii 2r