Category: Modulation and Demodulation

A. Phase modulation
B. Amplitude modulation
C. Frequency modulation
D. May be any one of the above

A. Transmitter
B. Radio receiver
C. Between transmitter and radio receiver
D. None of the above

A. Frequency
B. Amplitude
C. Phase
D. None of the above

A. 20 %
B. 40 %
C. 50 %
D. 10 %

A. Weakening of the signal
B. Excessive carrier power
C. Distortion
D. None of the above

A. Amplitude
B. Frequency
C. Phase
D. Both phase and frequency

A. Carrier
B. Sideband
C. Carrier as well as sideband
D. None of the above

A. Receiving antenna
B. Transmitter
C. Radio receiver
D. Transmitting antenna

A. Is increased
B. Remains the same
C. Is decreased
D. None of the above

A. Using a large number of amplifier stages
B. Using a push-pull circuit
C. Obtaining lower fixed intermediate frequency
D. None of the above