Kcet
Moving Charges And Magnetism
KCET 2020
MCQ+1 / -02020
The magnetic field at the origin due to a current element \(i d \mathbf{l}\) placed at a point with vector position \(\mathrm{r}\) is
Kcet
KCET 2020
The magnetic field at the origin due to a current element \(i d \mathbf{l}\) placed at a point with vector position \(\mathrm{r}\) is