The phase velocity of an EM wave propagating in a hollow metallic rect – McqOptions

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1.	The phase velocity of an EM wave propagating in a hollow metallic rectangular waveguide in the TE10 mode is
A.	equal to its group velocity
B.	less than the velocity of light in free space
C.	equal to the velocity of light in free space
D.	greater than the velocity of light in free space
Answer» E.

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