• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Magnetism and Electromagnetism

Magnetism and Electromagnetism
What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m?

4 AT
8 AT
16 AT
10 AT

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The ability of a material to remain magnetized after removal of the magnetizing force is known as

reluctance
permeability
retentivity
hysteresis

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The relative permeability of materials is not constant.

Paramagnetic
Diamagnetic
None of the listed here
Ferromagnetic

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Ferrites are materials.

Paramagnetic
Ferromagnetic
None of the listed here
Diamagnetic

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
For a given wire-wound core, an increase in current through the coil

Reverses the flux lines
Decreases the flux density
Causes no change in flux density
Increases the flux density

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be

240 N
24 N
0.24 N
2.4 N

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Magnetism and Electromagnetism

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
↑