• 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

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

 16 A / s.
 64 A / s.
 32 A / s.
 4 A / s.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

None of these
Refraction
Reflection
Transmission

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a

None of these
Figure of eight
Null
Circle

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
MUF is highest in periods of greatest sunspot activity.

False
True

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

 QR2/d.
  QD.
 Q√(R2 + d2).
 QR.

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
↑