IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 6
21.
MF is generally used for
telegraphy
radio and television links
satellite communication
broadcasting, navigation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The attenuation in waveguides near the cut off frequency is
very low
very high
medium
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The ground waves eventually disappear as one moves away from the transmitter because of
tilting
maximum single-hop distance limitation
interference from the sky waves
loss of line-of sight condition
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The radiation resistance of a rod tubing antenna is
55 Ω to 60 Ω
60 to 100 Ω
0 to 377 Ω
60 to 200 Ω
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Power gain of an antenna in a given direction is the ratio of
average power to maximum power
radiation intensity in that direction to the total input radiated power
radiation intensity in that direction to the average radiated power
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers