The equation of the electric field of an electromagnetic wave propagating through free space is given by : E=\sqrt{377} \sin (6.27 \times 10^3 t-2.09 \times 10^{-5} x) N \/ C The average power of the electromagnetic wave is (\frac{1}{\alpha}) W \/ m ^2. The value of \alpha is (\text{ Take } \sqrt{\frac{\mu_0}{\epsilon_o}}=377 \text{ in SI units }) [23 Jan 2026 Shift 1]

Electromagnetic Waves Part 2

Section: Physics

Question : 6 of 54

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The equation of the electric field of an electromagnetic wave propagating through free space is given by :
E=√377sin‌(6.27×103t−2.09×10−5x)N∕C The average power of the electromagnetic wave is (‌

)W∕m2. The value of α is (‌ Take ‌√‌

µ0

εo

=377‌ in SI units ‌)

[23 Jan 2026 Shift 1]

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