Basics of Communication System
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 38% • Most missed: “Which offers better SQNR?”
Basics of Communication System
Time left 00:00
25 Questions

1. Matched filtering operation includes
2. Let’s assume a transmitting antenna having gain 10dB is placed at a distance of 100m from the receiving antenna and radiates a power of 5W. Find the gain of the receiving antenna in dB when the received power is 150?W and transmitter frequency 500MHz?
3. Which occurs due to equilibrium fluctuations?
4. The equivalent noise temperature of a network given the noise figure of the network or system is:
5. Shot noise is avoidable when current is
6. TheE and B fields in electromagnetic waves are oriented
7. If the distance between the transmitting and receiving antenna is decreased by a factor 2 while other factors remain same, then the new power received by the antenna ___
8. SQNR can be improved by _______ sampling rate.
9. If the noise figures of the first stage of a two stage cascade network is 8 dB and the noise figure of the second stage is 7 dB and the gain of the first stage is 10, then the noise figure of the cascade is:
10. Eigen functions are not orthogonal.
11. Noise equivalent temperature of a transmission line that adds noise to the noise of a device is:
12. Power received by the antenna when one antenna is horizontally polarized and the other is vertically polarized is ___
13. Expression for noise of a two port network considering the noise due to transmission line and other lossy components is:
14. Find the effective length of a receiving antenna with open circuit voltage 1V and incident electric field 200mV/m?
15. Capacity of a channel can be increased by
16. ___________ is defined as the ratio of desired signal power to undesired noise power.
17. What is the wavelength of a 92.9 MHz radio wave?
18. Matched filter is
19. Thermal noise is
20. What is the wavelength of light waves if their frequency is 5.0X1014Hz?
21. For an isotropic source, Radiation intensity will be ___ on ? and __ on ?.
22. For a Wilkinson power divider of insertion loss L and the coupler is matched to the external circuitry, and then the gain of the coupler in terms of insertion loss is:
23. When a network is matched to its external circuitry, the gain of the two port network is given by:
24. Two functions are called as orthogonal if on integrating the product we get
25. The maximum likelihood function is

⚡ Recently practiced quizzes in this topic
Live quiz activity
Digital Signal Processing MCQs Signals and Systems 1 Optical Communication: Optical Fiber and their properties Mobile Communication System: Mobile Technologies 1 Linear Integrated Circuit Signal and Systems Network Theory: Network Functions Computer Communication Networks Mobile Computing MCQs Electrical Engineering (Telecom)/ Telecommunication Engineering Practice Test Questions
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.