Magnetism and Electromagnetism The magnetomotive force is The flow of an electric current The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The passage of magnetic field through an exciting coil 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 The ability of a material to remain magnetized after removal of the magnetizing force is known as hysteresis reluctance permeability retentivity hysteresis reluctance permeability retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials equal to unity slightly more than unity slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity slightly less than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of orbital motion of electrons either of these spin of electrons spin of nucleus orbital motion of electrons either of these spin of electrons spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 Wb/m² 1 mWb/m² 1 Wb/m 1 Wb/mm² 1 Wb/m² 1 mWb/m² 1 Wb/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT 10 AT ANSWER DOWNLOAD EXAMIANS APP
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