Advertisements
Advertisements
Questions
Any device that converts one form of energy into another is termed as ______.
(A) amplifier
(B) transducer
(C) receiver
(D) demodulator
A device that converts one form of energy into another form is termed as _______.
(A) transducer
(B) transmitter
(C) amplifier
(D) receiver
Solution
transducer
APPEARS IN
RELATED QUESTIONS
Ionosphere mainly consists of _______.
Name the essential components of a communication system.
Distinguish between ‘Analog’ and ‘Digital’ forms of communication.
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.
Write two basic modes of communication
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
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.
Answer the following question :
Write the functions of transducer and repeater ?
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.
Name the type of waves which are used for line of sight (LOS) communication. What is the range of their frequencies?
A transmitting antenna at the tope of a tower has a height of 20 m and the height of the receiving antenna is 45 m. Calculate the maximum distance between them for satisfactory communication in LOS mode. (Radius of the Earth = 6.4 × 106 m)
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.
Explain the terms (a) Transducer and (b) Attenuation in communication system.
Which of the following is the communication channel in case of radio communication?
