• 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
If output power of a radio receiver is doubled, its volume is increased by __________ dB.

-3
1
3
2

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Which of the following is used to generate PDM?

Schmitt trigger
Monostable multi-vibrator
Free running multi-vibrator
JK flip-flop

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
To eliminate ghosts in the picture

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

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Full duplex operation permits transmission in both directions at the same time.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Which one of the following is analog?

Delta modulation
PCM
PWM
Differential PCM

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.

70.2
80.9
102.3
113

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
↑