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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 13
1.
Whenever a wave is incident on a perfect conductor then the reflection coefficient is
1
0
1 < 180°
depend upon η1, η2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which one set of the following Maxwell's equation gives the basic idea of radiation ?
Δ . D = r, Δ . B = 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .
reflection
refraction
transmission
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Power gain and directivity related with, Gp power gain, Gd directive gain
Gp = η Gd
Gd = η Gp
Gp = η Gd2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Radiation intensity in a given direction is the
energy radiated per square metre
power radiated per square metre
power radiated per unit solid angle in that direction
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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