• 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
Under ordinary circumstances, impulse noise can be reduced in

FM only
Both AM and FM
None of these
AM only

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Fourier analysis indicate that a square wave can be represented as

Fundamental and subharmonic sine waves
A fundamental sine wave and odd harmonics
A fundamental sine wave and harmonics
A fundamental sine wave and even harmonics

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

15
1
16
8

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
FM transmitting and receiving equipment as compared to AM equipment is

Almost equally costly
None of these
Cheaper
Costly

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
To eliminate ghosts in the picture

Twist the transmission line
Connect a booster
Change the antenna orientation of location
Use a longer transmission line

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?

Gets halved
Gets increased by 50 percent
Gets doubled
Remains unchanged

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
↑