Time Domain Description MCQ’s

Analog Communication Electronics & Communication Engineering

This set of Analog Communication Multiple Choice Questions & Answers (MCQs) focuses on “Time Domain Description”.

1. UHF stands for ________
a) Ultra High Electric Field
b) Ultraviolet High Frequency
c) Ultra High Frequency
d) Ultra High Magnetic Field

2. What is the ITU designation range for VHF?
a) 30 to 300 Kilohertz
b) 300 to 3000 Kilohertz
c) 30 to 300 Megahertz
d) 3 to 30 Megahertz

3. Distance between direct broadcasting satellite and earth’s surface is ________
a) 4500km
b) 33000km
c) 5200km
d) 36000km

4. Effective noise at high frequencies is ________
a) Johnson noise
b) Flicker noise
c) transit-time noise
d) Partition noise

5. Which among the following is the Analog Continuous Modulation technique?
a) PAM
b) PCM
c) AM
d) PM

6. If AM transmitter has low level modulation then it has ________
a) high efficiency
b) poor efficiency
c) high modulating power
d) high resistance towards noise

7. VHF stands for ________
a) very high frequency
b) very high electric field
c) very high magnetic field
d) very high electromagnetic field

8. ITU stands for ________
a) Indian Telecommunication Union
b) Indian Telephonic Union
c) International Telephonic Union
d) International Telecommunication Union

9. Radiation resistance of an antenna is ________
a) a dc resistance
b) an ac resistance
c) a constant value
d) neither ac nor dc resistance

10. What do you understand by isotropic antenna?
a) it radiates its power uniformly in all directions
b) it radiates its power non-uniformly in all directions
c) it radiates its power specifically in one direction only
d) it does not radiate any power

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