Subjects
| Sections | |||
|---|---|---|---|
| What is an Electromagnetic Wave? | 10 mins | 0 completed | Learn |
| The Electromagnetic Spectrum | 10 mins | 0 completed | Learn |
| Energy Carried by Electromagnetic Waves | 12 mins | 0 completed | Learn |
| Electromagnetic Waves as Sinusoidal Waves | 7 mins | 0 completed | Learn |
| Polarization Filters | 21 mins | 0 completed | Learn |
| Displacement Current and Maxwell's Equations | 12 mins | 0 completed | Learn |
The energy density of an electromagnetic wave is
A) equally divided between the magnetic and the electric fields.
B) entirely in the magnetic field.
C) 1/4 in the electric field and 3/4 in the magnetic field.
D) entirely in the electric field.
E) 1/4 in the magnetic field and 3/4 in the electric field.
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