Electronics and Communication Engineering - Electromagnetic Field Theory

31. 

In a rectangular waveguide ZTE . ZTM is

A. η02
B. 1
C. 1/ η02
D. η0

Answer: Option A

Explanation:

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32. 

Brewster angle is the angle for which there is

A. no reflection and the incident wave is vertically polarized
B. reflection and the incident wave is horizontally polarized
C. no reflection and the incident wave is horizontally polarized
D. none of the above

Answer: Option A

Explanation:

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33. 

Surface waves can propagate on Piezoelectric substrates.

A. True
B. False

Answer: Option A

Explanation:

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34. 

For an antenna radiation and induction fields are

A.
B.
C.
D.

Answer: Option B

Explanation:

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35. 

A folded dipole antenna is conveniently connected to

A. shielded line
B. two wire line
C. coaxial line
D. flat ribbon type transmission line

Answer: Option D

Explanation:

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