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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A point charge in space is attracted towards a dielectric material because of the

 maximisation of electrostatic flux.
 all of above.
 dielectric hysteresis.
 phenomenon of dielectric polarisation.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Conductor is varying and field is fixed then emf will be induced. This principle is called

 dynamically induced emf.
 static induced emf.
 both A and B.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as

None of these
Front to back ratio
Transmission efficiency
Loss coefficient

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0.

Yes
No

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is

 3.75 N.
 2.5 N.
 2 N.
 5 N.

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
↑