Electronics and Communication Engineering Radio Receivers Online Test
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Electronics and Communication Engineering Radio Receivers Online Test. Electronics and Communication Engineering Question and Answers in English. The Electronics and Communication Engineering Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Electronics and Communication Engineering Online Mock test for Electronics and Communication Engineering Radio Receivers Topic. Here we are providing Electronics and Communication Engineering Radio Receivers Online Test Series in English. Check Electronics and Communication Engineering Mock Test Series 2024.
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Question 1 of 30
1. Question
The noise generated by a resistor depends upon
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Question 2 of 30
2. Question
In a superheterodyne receiver
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Question 3 of 30
3. Question
The function of an AM detector circuit is to
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Question 4 of 30
4. Question
Which of the following should be used in order to prevent overloading or the last IF amplifier in a receiver?
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Question 5 of 30
5. Question
Most popular IF for receivers tuning to 540 to 1650 kHz is
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Question 6 of 30
6. Question
In a broadcast superheterodyne receiver
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Question 7 of 30
7. Question
A duplexer is a device used to
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Question 8 of 30
8. Question
A heterodyne frequency changer is called a
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Question 9 of 30
9. Question
RF amplifiers are used in radio receivers for
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Question 10 of 30
10. Question
Which are the popular IF frequencies for microwave and radar receivers operating on frequencies in the range 1 to 10 GHz
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Question 11 of 30
11. Question
In a ratio detector
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Question 12 of 30
12. Question
Neutralization is used in RF amplifiers to
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Question 13 of 30
13. Question
It is known that noise phase modulates the FM wave. As the noise side band frequency approaches the carrier frequency, the noise amplitude
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Question 14 of 30
14. Question
In a receiver, which of the following device has IF input but RF output?
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Question 15 of 30
15. Question
Transistor are free from which type of noise?
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Question 16 of 30
16. Question
Standard AM radio broadcasts are confined to
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Question 17 of 30
17. Question
In a radio receiver with simple AGC
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Question 18 of 30
18. Question
Which of the following cannot be used to demodulate SSB?
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Question 19 of 30
19. Question
A transmitter serial current contains
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Question 20 of 30
20. Question
In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The image frequency at 25 MHz will be
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Question 21 of 30
21. Question
In a communication system, noise is most likely to affect the signal
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Question 22 of 30
22. Question
In a radio receiver, if the intermediate frequency is too high
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Question 23 of 30
23. Question
In a superheterodyne receiver, the IF is 455 kHz. If it is tuned to 1200 kHz, the image frequency will be
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Question 24 of 30
24. Question
The selectivity of most receivers is determined largely by
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Question 25 of 30
25. Question
In a superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is
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Question 26 of 30
26. Question
In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The rejection ratio at 25 MHz will be
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Question 27 of 30
27. Question
As compared to tuned radio frequency receivers which of the following is the advantage of using superheterodyne receivers?
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Question 28 of 30
28. Question
In a radio receiver, if the intermediate frequency is too low
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Question 29 of 30
29. Question
FM amplifier in a superheterodyne receiver
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Question 30 of 30
30. Question
Padders are used in a receiver to
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