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3) Why is the radio receiver circuit, commonly called a resonant circuit?

3) Why is the radio receiver circuit, commonly called a resonant circuit?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Answer question 3 showing fully all the steps. Solution should be simplified and easy to understand as much as possible!

Fm = 4000 Hz => Signal bandwidth = 2 x 4000 Hz = 8000 Hz STUDY QUESTIONS: * a) Name the components of a communication system and state the role of each component. D) Distinguish between the following communication terms. i) Encoding and decoding ii) Modulation and demodulation 2) Up to the late 1990s in Cameroon the telephone was fixed. State and explain any two ways in which the advent of the mobile phone has led to improvement in communication. 3) Why is the radio receiver circuit, commonly called a resonant circuit? 4) Give three plausible reasons why a mobile phone user or subscriber may be unable to reach another mobile phone subscriber. 5) a) A radio station is broadcasting on FM using carrier waves of frequency 89.7 MHz. To what value must the variable capacitor of a receiver be set to tune to the station if the receiver has a fixed inductor of inductance 1.24x102 mH. b) What specific roles do the capacitor and inductor play for reception of information by radio to be possible? 6) Why may it be impossible for two radio stations to broadcast on the same frequency in Yaounde using FM but possible for one in Yaounde and the other in Garoua to use the same frequency on the FM? 7) Despite the multiple advantages of the mobile phone there are some drawbacks. State and explain any two drawbacks of the mobile phone. 45
Transcribed Image Text:Fm = 4000 Hz => Signal bandwidth = 2 x 4000 Hz = 8000 Hz STUDY QUESTIONS: * a) Name the components of a communication system and state the role of each component. D) Distinguish between the following communication terms. i) Encoding and decoding ii) Modulation and demodulation 2) Up to the late 1990s in Cameroon the telephone was fixed. State and explain any two ways in which the advent of the mobile phone has led to improvement in communication. 3) Why is the radio receiver circuit, commonly called a resonant circuit? 4) Give three plausible reasons why a mobile phone user or subscriber may be unable to reach another mobile phone subscriber. 5) a) A radio station is broadcasting on FM using carrier waves of frequency 89.7 MHz. To what value must the variable capacitor of a receiver be set to tune to the station if the receiver has a fixed inductor of inductance 1.24x102 mH. b) What specific roles do the capacitor and inductor play for reception of information by radio to be possible? 6) Why may it be impossible for two radio stations to broadcast on the same frequency in Yaounde using FM but possible for one in Yaounde and the other in Garoua to use the same frequency on the FM? 7) Despite the multiple advantages of the mobile phone there are some drawbacks. State and explain any two drawbacks of the mobile phone. 45
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