• 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 conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly

60 N
120 N
90 N
30 N

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be

12 mH
48 mH
24 mH
6 mH

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

Increased inductance
Zero inductance
Reduced inductance
Unchanged inductance

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

400 N
100 N
1000 N
300 N

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
A moving magnetic field will produce the same effect as a conductor that is moving.

False
True

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
↑