The time averaged Poynting vector, in W/m2, for a wave with $$\overrightarrow E = 24{e^{j\left( {\omega t + Bz} \right)}}{\overrightarrow a _y}{\text{V/m}}$$ in free space
A. $$ - \frac{{2.4}}{\pi }{\overrightarrow a _z}$$
B. $$\frac{{2.4}}{\pi }{\overrightarrow a _z}$$
C. $$\frac{{4.8}}{\pi }{\overrightarrow a _z}$$
D. $$ - \frac{{4.8}}{\pi }{\overrightarrow a _z}$$
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Field Theory
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