Q. If the peak message signal amplitude is half the peak amplitude of the carrier signal, the signal is ______ modulated.
✅ Correct Answer: (C)
50%
Communication Engineering MCQs | Page - 1
Dear candidates you will find MCQ questions of Communication Engineering here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A percentage of modulation greater than
✅ Correct Answer: (D)
100%
Q. Single sideband AM systems occupy same bandwidth as of conventional AM systems.
✅ Correct Answer: (B)
false
Q. How is the performance of SSB AM systems in fading channels?
✅ Correct Answer: (A)
poor
Q. Which of the following is a disadvantage of tone-in-band SSB system?
✅ Correct Answer: (D)
generation and reception of signal is complicated
Q. Circular polarization involves critical alignment between transmitting and receiving antenna.
✅ Correct Answer: (B)
false
Q. VSB modulation is used in televisions because it avoids phase distortion at low frequencies.
✅ Correct Answer: (B)
false
Q. A duplex arrangement use separate frequencies for transmission
✅ Correct Answer: (A)
true
Q. Phase array radar can track many targets together.
✅ Correct Answer: (A)
true
Q. The upper and lower sideband frequencies for 5KHz amplitude modulation with a 30KHz carrier frequency will be?
✅ Correct Answer: (A)
35khz and 25khz
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