IndiaBIX

Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 24
26.
The characteristic impedance of a twin wire feeder used for TV signals is about
1000 ohm
500 ohm
300 ohm
100 ohm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In a FM receiver, amplitude limiter
amplifiers low frequency signals
reduces the amplitude of signals
eliminates any change in amplitude of received FM signals
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A buffer amplifier is
a double-tuned amplifier
a high gain D.C. amplifier
a cathode follower stage
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Leak type bias is used in plate modulated class C amplifier to
increase the bandwidth
prevent over modulation
prevent excessive grid current
prevent tuned circuit damping
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The direction of rotation of a CD is
clockwise
anticlockwise
clockwise or anticlockwise depending on frequency of data stored
mostly anticlockwise but some times clockwise
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers