An electromagnetic wave is travelling in free space (of permittivityandepsilon;0)with electric fieldThe average power (per unit area)crossing planes parallel to 4x +3y = 0will be:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?

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An electromagnetic wave is travelling in free space (of permittivity ε₀) with electric field

The average power (per unit area) crossing planes parallel to 4x +3y = 0 will be:

Correct answer is option 'A'. Can you explain this answer?

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An electromagnetic wave is travelling in free space (of permittivity&e...

Given electric field is

Therefore, the magnetic field,

Now, the pointing vector,

Therefore, the average power per unit area crossing planes parallel to

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An electromagnetic wave is travelling in free space (of permittivityε0)with electric fieldThe average power (per unit area)crossing planes parallel to 4x +3y = 0will be:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?

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