InterviewSolution
Saved Bookmarks
| 1. |
Show that the avearge energy density of the electric field vecE equals the average energy density of the magnetic field vecB, in electromagnetic waves. |
|
Answer» SOLUTION :`mu_e=1/2e_0E^2 & u_B=1/2 B^2/mu_0` `mu_E=1/2E_0E^2=1/2 e_0(CB)^2 As c=E/B` `=1/2 e_0 B^2/(mu_0e_0) c=1/sqrt(mu_0E_0)` `=B^2/(2mu_0)` `mu_B` |
|