Problems of DSBSC MCQ’s

Analog Communication Electronics & Communication Engineering

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) ʎ4
b) ʎ2
c) 1
d) ʎ8

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

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