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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 10
36.
The "boundary sphere" between antenna region and free space region appears to "opaque"
along the dipole axis
along perpendicular direction
along the dipole axis as well as perpendicular direction
neither along the dipole axis nor along the perpendicular direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In a horizontal polarized wave
magnetic field is perpendicular to ground
magnetic field component is parallel to ground
electric field component is perpendicular to ground
electric field is parallel to ground
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
For a uniform plane wave of frequency 106 Hz propagating in a good conductor, the field undergoes a change in phase by 2p radius over a distance of 1 meter. The field is attenuated by a factor of 1/e at a distance of
m
m
p m
2p m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
T.V. broadcasting based on
line of sight communication
ionospheric propagation
ground wave
medium wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Absolute permeability (μ) is given by __________ henry/metre
4p x 10-12
4p x 10-7
8.854 x 10-12
8.854 x 10-7
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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