Electronics and Communication Engineering - Communication Systems
Exercise : Communication Systems - Section 5
- Communication Systems - Section 13
- Communication Systems - Section 25
- Communication Systems - Section 24
- Communication Systems - Section 23
- Communication Systems - Section 22
- Communication Systems - Section 21
- Communication Systems - Section 20
- Communication Systems - Section 19
- Communication Systems - Section 18
- Communication Systems - Section 17
- Communication Systems - Section 16
- Communication Systems - Section 15
- Communication Systems - Section 14
- Communication Systems - Section 1
- Communication Systems - Section 12
- Communication Systems - Section 11
- Communication Systems - Section 10
- Communication Systems - Section 9
- Communication Systems - Section 8
- Communication Systems - Section 7
- Communication Systems - Section 6
- Communication Systems - Section 5
- Communication Systems - Section 4
- Communication Systems - Section 3
- Communication Systems - Section 2
11.
In the television system in India, each frame is scanned
Answer: Option
Explanation:
Each frame is divided into odd and even fields. Each field is scanned 25 times so that each frame is scanned 50 times.
12.
Each kilometer of travel in electromagnetic radiation means a time delay of
Answer: Option
Explanation:
Since velocity of em waves is 300 m/ms, each kilometer means time delay of 3.3 μs.
13.
A video monitor is exactly similar to TV receiver.
Answer: Option
Explanation:
Trinitron is a colour picture tube.
14.
A RADAR can be used to
Answer: Option
Explanation:
Radar is used for all the three purposes.
15.
In single tone AM modulation, the transmission efficiency for m = 1 is
Answer: Option
Explanation:
Since signal power = 0.5 PC and total power is 1.5 PC efficiency is 33.3%.
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