Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 4 12 6 8 4 12 6 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is From one end of the magnet to another From south pole to north pole None of the listed here From north pole to south pole From one end of the magnet to another From south pole to north pole None of the listed here From north pole to south pole ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity equal to that ferromagnetic mate rials equal to unity slightly less than unity slightly more than unity equal to that ferromagnetic mate rials equal to unity slightly less than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as susceptance residual magnetism reluctance permeance susceptance residual magnetism reluctance permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Aluminium Brass Soft iron Copper Aluminium Brass Soft iron Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Paramagnetic materials Ferromagnetic materials Ferrites Diamagnetic materials Paramagnetic materials Ferromagnetic materials Ferrites Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP