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प्रश्न
Answer the following question :
Write the functions of transducer and repeater ?
उत्तर
Transducer: A transducer is a device that converts one form of energy into another.
Repeater: A repeater is a combination of a receiver and a transmitter. It is used to extend the range of communication. Each repeater receives a transmitted signal, amplifies it and then retransmits it to the next repeater.
संबंधित प्रश्न
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.
Any device that converts one form of energy into another is termed as ______.
(A) amplifier
(B) transducer
(C) receiver
(D) demodulator
What is the line of sight communication?
What type of wave propagation is used in the basic mode of communication?
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.
Which of the following is the communication channel in case of radio communication?
