• 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
Which of the following represents ohms law

 I = GV
 V = RI
 J = σE
All of these

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The divergence of a vector is a scalar, while the curl of a vector is another

None of these
Vector
Scalar
Unit vector

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere

 Q/(4 π εo r3).
 3 Qr/(4 π εo R3).
 QR/(4π εo r3).
 Qr/(4 π εo R3).

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes

 None of above.
 - 100 μ v/m.
 100 μ v/m.
 0.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is

 40 nj.
 100 nj.
 20 nj.
 60 nj.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is

 4πQ / 6ε.
 Q / 6.
 Q / 4π.
 Q / 6ε.

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
↑