• 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 attraction capacity of electromagnet will increase if the

Core length increases
Flux density decreases
Flux density increases
Core area increases

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The unit of relative permeability is

Hennry
Hennry/meter
Its dimensionless
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Substances which have permeability less than the permeability of free space are known as

Paramagnetic material
Ferro magnetic material
Bipolar
Diamagnetic material

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will

None of the listed here
Remain same
Decreases
Increases

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The commonly used material for shielding or screening magnetism is

Soft iron
Brass
Copper
Aluminium

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?

8 AT
10 AT
4 AT
16 AT

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
↑