• 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
Temporary magnets are used in

Motors
Generators
All of the listed here
Loud speakers

ANSWER DOWNLOAD EXAMIANS APP

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?

10 AT
4 AT
8 AT
16 AT

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)?

360
90
180
270

ANSWER DOWNLOAD EXAMIANS APP

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

Paramagnetic
Ferromagnetic
None of the listed here
Diamagnetic

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?

30 AT
0.3 AT
300 AT
3 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

reaches zero
increases
remains constant
decreases

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
↑