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 |
A large electromagnet has a 22T magnetic field between its poles. What is the magnetic energy density between the poles?
A) 88 J/cm3
B) 190 J/cm3
C) 30,000 J/cm3
D) 240 J/cm3
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