Communication Systems Quiz Questions and Answers - 2

Question: 6

______ couples the transmitter and the receiver to the space link.

(A) Amplifier

(B) Antenna

(C) Loudspeaker

(D) Microphone

Question: 7

Radar transmitter is a high power

(A) hartley oscillator

(B) magnetron oscillator

(C) transistor oscillator

(D) RF oscillator

Question: 8

A transmitting antenna converts

(A) electromagnetic energy into electrical energy

(B) electrical signal into electromagnetic energy

(C) sound energy into electromagnetic energy

(D) electrical signal into sound energy

Question: 9

The music, speech, etc., are converted into audio signals using

(A) oscillators

(B) gramophone

(C) microphone

(D) loudspeaker

Question: 10

Modulation factor (m) =

(A) Signal amplitude/Carrier frequency

(B) Signal amplitude/Carrier amplitude

(C) Phase of signal/Phase of carrier wave

(D) Signal frequency/Carrier frequency