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? 6 4 8 12 6 4 8 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction 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 Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 24 AT 240 AT 2.4 AT 0.24 AT 24 AT 240 AT 2.4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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