Physics · Electromagnetic Waves

The energy per unit time and per unit area transported by electromagnetic fields (Poynting vector) is expressed as:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1S = (1/μ0) (E × B)✓
2S = (E × B)
3S = μ0 (E × B)
4S = (1/ε0) (E × B)

Correct answer

S = (1/μ0) (E × B)

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The energy per unit time and per unit area transported by electromagnetic fields (Poynting vector) is expressed as:

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