• 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
Air gap has_______eluctance as compared to iron or steel path

zero
higher
little
lower

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The ability of a material to remain magnetized after removal of the magnetizing force is known as

retentivity
permeability
hysteresis
reluctance

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density

increases
doubles
decreases
remains the same

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
One telsa is equal to

1 Wb/mm²
1 mWb/m²
1 Wb/m
1 Wb/m²

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current?

2,400 At
240 At
2.4 At
24 At

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Strength of an electromagnet can be increased by

Increasing the number of turns
Increasing the cross-sectional area
All of the listed here
Increasing current supply

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
↑