The characteristic impedance, as the ratio of the amplitudes of E- and – McqOptions

MCQOPTIONS

1.	The characteristic impedance, as the ratio of the amplitudes of E- and H- vectors, in a plane electromagnetic wave in free space is nearly:
A.	3.77 Ω
B.	376.7 Ω
C.	0.0 Ω
D.	37.7 Ω
Answer» C. 0.0 Ω

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