Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of either of these spin of electrons spin of nucleus orbital motion of electrons either of these spin of electrons spin of nucleus orbital motion of electrons ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the iron piece will break the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the iron piece will break ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 30 AT 0.3 AT 3 AT 300 AT 30 AT 0.3 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as reluctance permeance susceptance residual magnetism reluctance permeance susceptance residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Reverses the flux lines Increases the flux density Causes no change in flux density Decreases the flux density Reverses the flux lines Increases the flux density Causes no change in flux density Decreases the flux density ANSWER DOWNLOAD EXAMIANS APP
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