Advanced Communication Quiz Questions and Answers Pdf - 2

Question: 6

The frequency range for satellite communication is

(A) 1 KHz to 100 KHz

(B) 1 GHz to 30 GHz

(C) 100 KHz to 10 MHz

(D) 10 MHz to 30 MHz

Question: 7

Wide banding technique is employed in the

(A) IF amplifier of an FM receivers

(B) RF amplifier of an AM receiver

(C) Video amplifier of a TV receiver

(D) Input section of a communication receiver

Question: 8

In a satellite system, circular polarization is to be obtained. The antenna used is

(A) Helical antenna

(B) Log periodic antenna

(C) Horn antenna

(D) Parabolic antenna

Question: 9

The frequency range of very high frequency (VHF) is

(A) 3 MHz to 30 MHz

(B) 30 THz to 3000 Hz

(C) 30 MHz to 300 MHz

(D) 300 MHz to 3000 MHz

Question: 10

In satellite communication, Faraday rotation is caused by

(A) Ionospheric reflections that occur multiple times

(B) Non-Gaussian nature of uplink noise when received in the downlink channel

(C) Earth's magnetic field

(D) Plasma frequency