• 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 voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by

 24t.
 12t3.
 4t3.
 12t.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A pure inductor is connected across a voltage source. Find the active power drawn by the inductor?

 0
 either 1 or 2
None of these
 maximum

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then

 n. k = 0.
 n = K.
 n = - k.
 n × k = 0.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is

 50.
 100.
 75.
 1/75.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be

 37.68 μH.
 1.1304 μH.
 3.768 μH.
  113.04 μH.

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
↑