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

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is

10 H
15 H
5 H
20 H

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Which of the following is unit of inductance?

Ohm
Hennry
Weber/metre
Ampere turns

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as

Series aiding inductance
Mutual inductance
Self-inductance
Capacitance

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

ANSWER DOWNLOAD EXAMIANS APP

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

Laminated iron core
Air core
Iron core
Powdered iron core

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
↑