CUET Preparation Today
CUET
Physics
Electromagnetic Waves
In an electromagnetic wave the average energy density associated with magnetic field will be:
$\frac{1}{2} LI^2$
$\frac{B^2}{2\mu_0}$
$\frac{1}{2} \mu_0 B^2$
$\frac{q}{2B^2}$
$u_B = \frac{B^2}{2\mu_0}$
