• 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 coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is

250 mH
3500 mH
None of the listed here
350 mH

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Which of the fpllowing inductor will have the least eddy current losses ?

Powdered iron core
Air core
Iron core
Laminated iron core

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Mutually inductance between two magnetically coupled coils depends on

Permeability of the core
Cross-sectional area of their common core
All of the listed here
The number of their turns

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The polarity of the induced voltage can be determined by using the left-hand generator rule.

No
Yes

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
↑