This set of Analog Communication Multiple Choice Questions & Answers (MCQs) focuses on “Problems of DSBSC”.
1. In a Vidicon camera tube, both sides of the target plate have the coating of antimony tri-sulphide.
a) True
b) False
2. A trigonometric function is a synonym of ________
a) triangular function
b) orthogonal function
c) singular function
d) rectangular function
3. A Marconi antenna has length equal to ________
a) ʎ⁄4
b) ʎ⁄2
c) 1
d) ʎ⁄8
4. White noise is a synonym of ________
a) partition noise
b) shot noise
c) johnson noise
d) transit time noise
5. Minimum viewing angle of resolution of human eye is ________
a) ʎd
b) 1.22ʎd
c) 3ʎd
d) 2ʎd
6. VSB is generally used in ________
a) television production
b) radio transmission
c) telephonic conversations
d) long distance conversations
7. Local programmes in a cable TV can be telecast at any frequency.
a) True
b) False
8. Power density spectrum of a resistor R can be expressed as ________
a) 2 kTR
b) 1 kTR
c) 0.75 kTR
d) 3 kTR
9. A helical antenna is used for satellite tracking due to its __________
a) broad bandwidth
b) circular polarization
c) linear polarization
d) good front to back ratio
10. What is the typical bandwidth of a 2-wire telephone line?
a) 20 Hz to 6 KHz
b) 300 Hz to 3.4 KHz
c) 20 Hz to 20 KHz
d) 200 Hz to 6.5 KHz