• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Communication Systems

Communication Systems
For attenuation of high frequencies we should use

Shunt capacitance
Series capacitance
Resistance
Inductance

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
A buffer amplifier is

A double-tuned amplifier
None of these
A high gain D.C. amplifier
A cathode follower stage

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is

8
15
1
16

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
The maximum power output of a standard A earth station over the total band allocated to satellite communication is about

20 kW
50 kW
0.5 kW
8 kW

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
The characteristic impedance of a twin wire feeder used for TV signals is about

100 ohm
1000 ohm
500 ohm
300 ohm

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
The main function of a balanced modulator is to

Limit noise picked by a receiver
Produce 100% modulation
Produce balanced modulation of a carrier wave
Suppress carrier signal in order to create a single-sideband or double sideband

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Communication Systems

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑