English

Write the Functions of the Transducer in Communication Systems - Physics

Advertisements
Advertisements

Question

Write the functions of the following in communication systems:

Transducer

Solution

 Transducer: A transducer is used to convert a non-electrical signal like a voice signal into electrical form before sending it as an input to a transmitter.

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March) All India Set 1

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

What is the function of a 'Repeater' used in communication system?


Write the functions of the following in communication systems:

Transmitter


Write the functions of the following in communication systems:

Receiver


A device X used in communication system can convert one form of energy into another. Name the device X. Explain the function of a repeater in a communication system.


Explain the basic concept of mobile telephoning ?


Write the functions of the transducer and repeaters.


A basic communication system consists of ______.

  1. transmitter.
  2. information source.
  3. user of information.
  4. channel.
  5. receiver.

Choose the correct sequence in which these are arranged in a basic communication system:


Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?

  1. The sideband frequencies are 1506 kHz and 1494 kHz.
  2. The bandwidth required for amplitude modulation is 6 kHz.
  3. The bandwidth required for amplitude modulation is 3 MHz.
  4. The side band frequencies are 1503 kHz and 1497 kHz. 

Which of the following would produce analog signals and which would produce digital signals?

  1. A vibrating tuning fork.
  2. Musical sound due to a vibrating sitar string.
  3. Light pulse.
  4. Output of NAND gate.

An audio signal is modulated by a carrier wave of 20 MHz such that the bandwidth required for modulation is 3 kHz. Could this wave be demodulated by a diode detector which has the values of R and C as

  1. R = 1 kΩ, C = 0.01 µF.
  2. R = 10 kΩ, C = 0.01 µF.
  3. R = 10 kΩ, C = 0.1 µF.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×