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

permeability
retentivity
hysteresis
reluctance

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Magnetising steel is normals difficult because

it has low permeability
it has high specific gravity
it corrodes easily
it has high permeability

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The induced voltage across a stationary conductor in a stationary magnetic field is

reversed in polarity
increased
decreased
zero

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength?

0.25 AT/m
25 AT/m
250 AT/m
2500 AT/m

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Tesla is a unit of

Inductance
Flux
Flux density
Field strength

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The direction of magnetic lines of force is

None of the listed here
From one end of the magnet to another
From south pole to north pole
From north pole to south pole

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
↑