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Analog Communication System MCQs

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Practice free Analog Communication System multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 280 questions — no login required.

Question 10easy
Maximum undistorted power output of a transmitter is obtained when its modulation is-percent.
Question 11easy
The noise performance of a square-law demodulator ofAM signal is
Question 12easy
If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100 - 5000 Hz, the width of channel is- kHz.
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Question 13easy
For a signal amplitude modulated to a depth of 100% by a sinusoidal signal, the power is?the power of unmodulated carrier.
Question 14easy
A transmitter supplies 10 kW of carrier power to the antenna. The total radiated power with 40% modulation is ?kW./
Question 15easy
The FM broadcast band is from
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Question 16easy
Each of the following statements regarding frequency modulation is true except
Question 17easy
When a complex signal is used to frequency modulate a carrier, the resulting sideband distribution is
Question 18easy
The standard intermecdiate frequency for FM radio is