Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of electrons orbital motion of electrons either of these spin of nucleus spin of electrons orbital motion of electrons either of these spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is reversed in polarity decreased increased zero reversed in polarity decreased increased zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Aluminium Tungsten Copper Nickel Aluminium Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Core length increases Flux density decreases Core area increases Flux density increases Core length increases Flux density decreases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts only ferromagnetic substances Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet All of the listed here Heating Hammering By inductive action of another magnet All of the listed here Heating Hammering ANSWER DOWNLOAD EXAMIANS APP