Magnetism and Electromagnetism The magnetomotive force is The passage of magnetic field through an exciting coil The flow of an electric current The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The flow of an electric current The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as conducting material ferromagnetic material diamagnetic material paramagnetic material conducting material ferromagnetic material diamagnetic material paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil causes no change in flux density reverses the flux lines decreases the flux density increases the flux density causes no change in flux density reverses the flux lines decreases the flux density increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Bipolar Paramagnetic material Ferro magnetic material Diamagnetic material Bipolar Paramagnetic material Ferro magnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
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