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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 8
41.
Surface impedance at high frequencies is a consideration for
ferrites
semiconductors
good conductors
dielectrics
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
In a uniform plane wave E and H are related by
E/H = 1
E/H = ε/μ
E/H = μ/ε
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Antenna beamwidth is
measure of directivity
measure of angle
measure of radiation pattern
measure of power pattern
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The pure capacitor connected across an A.C. voltage consumed 20 W. This is due to
the capacitive reactance in ohms
the current flowing in the capacitor
the fused capacitor was a big one
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
A dominant wave is characterised by which of the following?
No attenuation
Lowest cut off wavelength
Highest cut off wavelength
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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