If the electric field amplitude E0 of a plane electromagnetic wave in vacuum is doubled, by what factor does the time-averaged Poynting vector S_avg change?

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Study for the UCF PHY2054 General Physics Exam. Use flashcards and multiple-choice questions complete with hints and explanations. Boost your understanding and get exam-ready!

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If the electric field amplitude E0 of a plane electromagnetic wave in vacuum is doubled, by what factor does the time-averaged Poynting vector S_avg change?

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