If overrightarrow E = ( hat a_x + jhat a_y )e^ikz - j t and overrightarrow H = ( k )( hat a_y + jhat a_x )e^ikz - j t, the time averaged poynting vector is

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Electromagnetic Field Theory

If $$\overrightarrow E = \left( {{{\hat a}_x} + j{{\hat a}_y}} \right){e^{ikz - j\omega t}}$$ and $$\overrightarrow H = \left( {\frac{k}{{\omega \mu }}} \right)\left( {{{\hat a}_y} + j{{\hat a}_x}} \right){e^{ikz - j\omega t}},$$ the time averaged poynting vector is

A) null vector B) $$\left( {\frac{k}{{\omega \mu }}} \right){{\hat a}_z}$$ C) $$\left( {\frac{{2k}}{{\omega \mu }}} \right){{\hat a}_z}$$ D) $$\left( {\frac{k}{{2\omega \mu }}} \right){{\hat a}_z}$$

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Correct Answer: Option A

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If overrightarrow E = left( hat a x + j hat...

If $$\overrightarrow E = \left( {{{\hat a}_x} + j{{\hat a}_y}} \right){e^{ikz - j\omega t}}$$ and $$\overrightarrow H = \left( {\frac{k}{{\omega \mu }}} \right)\left( {{{\hat a}_y} + j{{\hat a}_x}} \right){e^{ikz - j\omega t}},$$ the time averaged poynting vector is

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