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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 9
11.
The portion of the atmosphere closest to ground is called ionosphere.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following relations is valid for a spherical surface?
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
When there is rapid attenuation of field inside the conductor, the field current are concentrated close to the surface of the conductor; this phenomenon is called
skin effect
EM concentration effect
Faraday's effect
Ohm's effect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which antenna is frequently used for local area transmission at UHF/VHF?
Ground monopole
Turnstile antenna
Slot antenna
Loop antenna
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The work done in moving a charge Q on an equipotential line for a distance d will be
V/d
QV/d
Q.d
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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