Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decrease Be excessive Remain Constant Increase Decrease Be excessive Remain Constant Increase ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver Silver and copper Iron Copper Silver Silver and copper Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by All of the listed here Heating By inductive action of another magnet Hammering All of the listed here Heating By inductive action of another magnet Hammering ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of either of these orbital motion of electrons spin of electrons spin of nucleus either of these orbital motion of electrons spin of electrons spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux density Inductance Field strength Flux Flux density Inductance Field strength Flux ANSWER DOWNLOAD EXAMIANS APP
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