Practicing Success
Practicing Success
CUET Preparation Today
In an electromagnetic wave the average energy density is associated with: |
Electric field only
Magnetic field only Equally with electric and magnetic fields Average energy density is zero |
Equally with electric and magnetic fields |
$ u_E = \frac{1}{2} \epsilon_0 E^2$ $u_B = \frac{B^2}{2\mu_0}$ |
