Electronics and Communication Engineering - Electromagnetic Field Theory

1.
Which one is correct option?
TEM mode exist in free space of infinite boundary
TEM mode exist in two conductor pattern system for finite-boundary
TEM mode exist in waveguide only
Both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
A vertical loop antenna, like a horizontal dipole, is vertically polarised.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The attenuation in a waveguide near the cut off frequency is
zero
low
high
very high
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The electric flux and field intensity inside a conducting sphere is
minimum
maximum
uniform
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
T.V. antennas are usually
Yagi-Uda
loops
helical
parabolic
Answer: Option
Explanation:
No answer description is available. Let's discuss.