CUET Preparation Today
CUET
Physics
Electromagnetic Waves
The magnetic field between the plates of a capacitor is given by B = $\frac{\mu_0 I r}{2 \pi R^2}$
r ≥ R
r ≤ R
r < R
r = R
According to Ampere's law, when r > R, B = $\frac{\mu_0 I_{D r}}{2 \pi R^2}$