• 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
The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is

 3.
 4.
 8.
 2.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The shape of B-H curve for air gap is

 ellipse.
 parabola.
 hyperbola.
 straight line.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position

 5 × 10-5 uy N.
 5 × 10-5 uz N.
 5 × 10-5 ux N.
  - 5 × 10-5 uy N.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.

 True partially.
 True.
 False.
 Cannot comment.

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 current of 3 A will be

 37.68 mH.
 113.04 µH.
 113.04 mH.
 37.68 µH.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying

 106 volts.
 106 Amp/sec.
 106 Amp.
 106 volts/sec.

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
↑