The electric field component of a wave in free space is given by E = 50sin(107t + kz)$${\hat j}$$ V/m. Which one of the following is the correct inference that can be drawn from this expression?
A. The wave propagates along y-axis
B. The wavelength is 188.5 m
C. The wave number k = 0.33 rad/m
D. The wave attenuates as it travels
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Field Theory
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