Communication Systems MCQ Questions and Answers
Home | Electrical Engineering | Communication SystemsCommunication Systems MCQ Questions and Answers: We provide lots of multiple choice questions and answers related to Communication Systems. here you can learn mcqs questions for electrical engineering.
1) It is found that a ship to ship communication suffers from fading. This can be avoided by using
2) A buffer amplifier is
A double-tuned amplifier
A high gain D.C. amplifier
A cathode follower stage
None of the above
Answer : B Discuss
3) SSB can be generated by
Filter method
Phase cancellation method
Good attenuation characteristics
All of the above
Answer : D Discuss
4) What is the purpose of peak clipper circuits in radio transmitters?
To prevent overmodulation
To reduce bandwidth
To increase bandwidth
To regulate oscillator I/P voltage
Answer : A Discuss
5) 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 : B Discuss
6) A woofer should be fed from the input through a
7) The characteristic impedance of a twin wire feeder used for TV signals is about
8) In EM waves, polarization
Is always vertical in an isotropic medium
Is caused by reflection
Is due to transverse nature of waves
Results from longitudinal nature of waves
Answer : C Discuss
9) The frequency range of 300 kHz to 3000 kHz is known as
10) A telephone channel requires a bandwidth of about