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