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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
Draw a neat, labelled block diagram for a generalised communication system.
Explain briefly two commonly used applications of the ‘Internet’.
Write any three applications of the Internet used in communication systems.
The figure given below shows the block diagram of a generalized communication system. Identify the element labelled 'X' and write its function.
Draw the block diagram of a receiver in communication system
Which basic mode of communication is used in satellite communication?
Write, giving a reason, the frequency range used in this mode of communication of propagation.
Mention the function of any two of the following used
(i) Transducer
(ii) Repeater
(iii) Transmitter
(iv) Bandpass Filter
Explain the function of a repeater in a 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):
