Name the Essential Components of a Communication System. - Physics


Name the essential components of a communication system.



Communication is the act of transmission of information

Communication system has three essential components − transmitter, medium/channel, and receiver.

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2015-2016 (March) All India Set 2 C


Draw a block diagram of generalized communication system.

Ionosphere mainly consists of _______.

Draw a neat, labelled block diagram for a generalised communication system.

Distinguish between ‘Analog’ and ‘Digital’ forms of communication.

What are the three basic units in communication systems ? Write briefly the function of each of these.

Write any three applications of the Internet used in communication systems.

Any device that converts one form of energy into another is termed as ______.

(A) amplifier

(B) transducer

(C) receiver

(D) demodulator

Draw a neat, labelled block diagram of a receiver for the detection of amplitude modulated  wave.

For efficient radiation and reception of signal with wavelength λ, the transmitting antennas would have length comparable to ______.

(A)`lambda` of frequency used

(B)`lambda/2` of frequency used

(C )`lambda/3` of frequency used

(D)`lambda/4` of frequency used

Draw the block diagram of a receiver in communication system

Explain the terms : Receiver in communication system

Write the functions of each of the following in communication system : Channel 

Which basic mode of communication is used in satellite communication?

Distinguish between a transducer and a repeater. 

What is the line of sight communication?

What type of wave propagation is used in the basic mode of communication?

Write, giving a reason, the frequency range used in this mode of communication of propagation.

Explain the basic concept of mobile telephoning.

Explain, with the help of a suitable diagram, the space wave mode of propagation. Give two examples in communication systems where this mode is used. What is the frequency range of these waves? Give reason for using this range of frequency.

Explain the terms (a) Transducer and (b) Attenuation in communication system.

A transmitting antenna of height h and the receiving antenna of height 45 m are separated by a distance of 40 km for satisfactory communication in line of sight mode. Then the value of h is (given radius of the earth is 6400 km):

Which of the following is the communication channel in case of radio communication?


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