Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from south to north front to back back to front from north to south from south to north front to back back to front from north to south ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it has low permeability it corrodes easily it has high permeability it has high specific gravity it has low permeability it corrodes easily it has high permeability 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 Magnetic field, electric field 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 Current, induced e.m.f. 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, magnetic field and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Core area increases Core length increases Flux density decreases Flux density increases Core area increases Core length increases Flux density decreases ANSWER DOWNLOAD EXAMIANS APP