1000+ Communication Systems MCQ Questions and Answers Pdf - 2

Question: 6

The angular velocity of geostationary satellites is

(A) equal to zero

(B) same as that of the earth

(C) lesser than that of the earth

(D) greater than that of the earth

Ans: B

same as that of the earth

Question: 7

Pick out the simplest and lowest cost cable.

(A) coaxial cable

(B) multiconductor flat cable

(C) twisted pair cable

(D) both b and c

Ans: C

twisted pair cable

Question: 8

The transmitter receiver switching arrangement is called

(A) triplexer

(B) multiplexer

(C) duplexer

(D) none of the above

Ans: C

duplexer

Question: 9

The difference between oscillator frequency and radio frequency gives

(A) super high frequency

(B) ultra high frequency

(C) voice frequency

(D) intermediate frequency

Ans: D

intermediate frequency

Question: 10

A thin transparent rod, usually made of glass or plastic, through which light can propagate is

(A) optical fibre

(B) twisted pair cable

(C) multiconductor flat cable

(D) coaxial cable

Ans: A

optical fibre

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