Communication Systems MCQ Questions Answers Electronics Engineering

21) A circuit which resonates at MHz has a Q of 100. Bandwidth between half-power points is

a) 10 kHz

b) 100 kHz

c) 10 Hz

d) 100Hz

View Answer
Option – a)

22) Which of the following pulse modulations is analog ?

a) PCM

b) Differential PCM

c) PWM
d) Delta

View Answer
Option – c)

23) Random satellite moves in

a) random paths

b) polar orbits

c) geostationary orbits

d) equatorial plane

View Answer
Option – b)

24) An altimeter is basically

a) a CW radar

b) a FM radar

c) a Doppler radar

d) a device to indicate the direction at height

View Answer
Option – a)

Good Luck!!

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