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

Electromagnetic Field Theory

Electromagnetic Field Theory
The main purpose of choke is

  to pass low frequencies.
 none of above.
 to pass high frequencies.
 to block low frequencies.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
In order to minimize loss due to hysteresis the magnetic material should have

 high resistivity.
 high hysteresis coefficient.
 large coercivity.
 small B-H loop area.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is

 8 V.
 60 V.
 80 V.
 40 V.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Dispersion
Scattering
Polarisation
Absorption

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

 V × D²
 V / D
 V × D
 V² / D

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The skip distance is the maximum distance upto which ionospheric reflection is possible.

True
False

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electromagnetic Field Theory

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
↑