Question:
A straight long conductor whose cross section is shown in
Last updated: 6/11/2023
![A straight long conductor whose cross section is shown in](https://media.kunduz.com/media/sug-question-candidate/20210730052810097598-3435331.jpg?h=512)
A straight long conductor whose cross section is shown in the figure carries current uniformly distributed over the cross section for a rs b The variation of magnetic field with distance r from the axis is best represented by b a