• 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 moving magnetic field will produce the same effect as a conductor that is moving.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Which of the following is unit of inductance?

Hennry
Ampere turns
Ohm
Weber/metre

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla

300 N
400 N
100 N
1000 N

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by

Variation in voltage to the coil
The resistance of magnetic path
Change of number of turns of coil
Variation in coil current

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The magnitude of the induced e.m.f. in a conductor depends on the

Flux density of the magnetic field
Rate of change of flux-linkages
Amount of flux linkages
Amount of flux cut

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
↑