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

Magnetism and Electromagnetism

Magnetism and Electromagnetism
The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is

1.7 mA
16 mA
120 mA
12 mA

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The force between two long parallel conductors is inversely proportional to

Current in one conductor
Radius of conductor
Product of current in two conductors
Distance between the conductors

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
For a given wire-wound core, an increase in current through the coil

Decreases the flux density
Increases the flux density
Causes no change in flux density
Reverses the flux lines

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
Strength of an electromagnet can be increased by

All of the listed here
Increasing current supply
Increasing the number of turns
Increasing the cross-sectional area

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

None of the listed here
BLI
Zero
BLI2

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The change of cross-sectional area of conductor in magnetic field will affect

resistance of conductor
None of these
reluctance of conductor
both of the listed here

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Magnetism and Electromagnetism

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
↑