• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electromagnetic induction

Electromagnetic induction
A crack in the magnetic path of an inductor will result in

Increased inductance
Unchanged inductance
Zero inductance
Reduced inductance

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The direction of induced e.m.f. can be found by

Laplace's law
Kirchhoff s voltage law
Fleming's right hand rule
Lenz's law

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
If current in a conductor increases then according to Lenz's law self-induced voltage will

Produce current opposite to the increasing current
Aid the increasing current
Aid the applied voltage
Tend to decrease the amount of current

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Reversing the field or the current will reverse the force on the conductor.

No
Yes

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be

25 V
15 V
12 V
10 V

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
In case of an inductance, current is proportional to

Voltage across the inductance
Both of the listed here
Magnetic field
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electromagnetic induction

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
↑