In a travelling plane electromagnetic wave the maximum magnetic fields is $$2.52$$×$$10$$−$$4T$$. The intensity of the wave is (Assume$$ , μ$$0=1.26$$×$$10$$−$$6H/m)

Correct option is 27.56×106W/m2

Questions

In a travelling plane electromagnetic wave the maximum magnetic fields is $2.52 \times 10^{- 4} T$ . The intensity of the wave is (Assume , $μ_{0} = 1.26 \times 10^{- 6} H / m$ )

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4.6×106W/m2

7.56×106W/m2

3.78×106W/m2

6.4×106W/m2

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detailed solution

Correct option is B

Intensity of electromagnetic wave in terms of magnetic field isI=12B02μ0C I=12×2.52×10−4×2.52×10−4×3×1081.26×10−6 I=7.56×106W/m2

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In a travelling plane electromagnetic wave the maximum magnetic fields is 2.52×10−4T. The intensity of the wave is (Assume , μ0=1.26×10−6H/m)

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In a travelling plane electromagnetic wave the maximum magnetic fields is $2.52 \times 10^{- 4} T$ . The intensity of the wave is (Assume , $μ_{0} = 1.26 \times 10^{- 6} H / m$ )