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? 4 6 8 12 4 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same decreases doubles increases remains the same decreases doubles increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferri-magnetic material Non-magnetic materials Paramagnetic material Ferro magnetic material Ferri-magnetic material Non-magnetic materials Paramagnetic material Ferro magnetic material 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? 30 AT 3 AT 0.3 AT 300 AT 30 AT 3 AT 0.3 AT 300 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Magnetic field, electric field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field 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 Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Product of current in two conductors Radius of conductor Current in one conductor Distance between the conductors Product of current in two conductors Radius of conductor Current in one conductor Distance between the conductors ANSWER DOWNLOAD EXAMIANS APP