• 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
A keeper is used to

Restore lost flux
Change the direction of magnetic lines
Amplify flux
Provide a closed path for flux

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?

18.75 At
300 At
187 At
30 At

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage

decreases
increases
reaches zero
remains constant

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Temporary magnets are used in

All of the listed here
Generators
Loud speakers
Motors

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it?

0.3 AT
30 AT
3 AT
300 AT

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Reciprocal of permeability is

Reluctivity
conductance
Susceptibility
Permeability

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
↑