Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Causes no change in flux density Increases the flux density Reverses the flux lines Decreases the flux density Causes no change in flux density Increases the flux density Reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of magnetomotive force permittivity electromotive force conductance magnetomotive force permittivity electromotive force conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? None of the listed here It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux It starts rotating None of the listed here It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux It starts rotating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Lumens Weber None of the listed here Tesla Lumens Weber None of the listed here Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Kirchhoff's law Lenz's law Faraday's laws Ampere's law Kirchhoff's law Lenz's law Faraday's laws Ampere's law ANSWER DOWNLOAD EXAMIANS APP