Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 250 AT/m 2500 AT/m 0.25 AT/m 25 AT/m 250 AT/m 2500 AT/m 0.25 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Current, induced e.m.f. and direction of force on a conductor Current, magnetic field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Current, magnetic field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of electromotive force permittivity magnetomotive force conductance electromotive force permittivity magnetomotive force conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Generators Loud speakers All of the listed here Motors Generators Loud speakers All of the listed here Motors ANSWER DOWNLOAD EXAMIANS APP
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