• 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
A medium is said to be isotropic when

 ∈ = μσ.
 ∈ = μ.
 ∈ is zero.
 ∈ is a scalar constant.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m

 1440 μN.
 144 μN.
 244 μN.
  1144 μN.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The magnetic field required to reduce the residual magnetism to zero is called

 Coercivity.
 Saturation magnetism.
 Retentivity.
 Hysteresis.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The power gain of a half-wave dipole with respect to an isotropic radiator is

4.15 db
2.15 db
6 db
3 db

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as

 mutual inductance.
 capacitance.
 self inductance.
 series aiding inductance.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.

 Electric flux.
 Electric intensity.
None of these
 Magnetic flux density.

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
↑