Physics · Electromagnetics
For a sinusoidal plane wave, the time-average Poynting vector is measured. What does it represent?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Stored electromagnetic energy
- 2Average power flow per unit area✓
- 3Instantaneous power density
- 4Reactive power flow
Correct answer
Average power flow per unit area
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