• 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
If the static magnetic flux density is B, then

 Curl of B = J.
  Divergence of B = 0.
 Divergence of B = J.
 Curl of B = 0.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential

Retardation
Oscillating
Lagging the current
Accelerating

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position

 5 × 10-5 ux N.
  - 5 × 10-5 uy N.
 5 × 10-5 uy N.
 5 × 10-5 uz N.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on

 all of above.
 permeability of core.
 cross sectional area of their common core.
 the number of their turns.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A square corner reflector is used in

Tv broadcast
Radio astronomy
All of these
Point to point communication

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A loop antenna is a commonly used for

Satellite communication
All of these
Radar
Direction finding

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
↑