• 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 commonly used material for shielding or screening magnetism is

Copper
Soft iron
Aluminium
Brass

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle

will depend on the radius of the circle
will be zero
will be infinite
will depend on the amount of e.m.f. applied

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The Biotsavart's law is a general modification of

Kirchhoff's law
Lenz's law
Faraday's laws
Ampere's law

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Reciprocal of permeability is

Permeability
conductance
Reluctivity
Susceptibility

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m?

11 At/Wb
1111 At/Wb
1 At/Wb
111 At/Wb

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
A keeper is used to

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

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
↑