• 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
Unit for quantity of electricity is

Ampere
Joule
Ampere-hour
Coulomb

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
16 AT
4 AT
8 AT

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

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Ferrites are materials.

Ferromagnetic
None of the listed here
Paramagnetic
Diamagnetic

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The most effective and quickest may of making a magnet from soft iron is by

Placing it inside a coil carrying current
Rubbing with another magnet
The use of permanent magnet
Induction

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?

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

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
↑