Magnetism and Electromagnetism Temporary magnets are used in Loud speakers Motors Generators All of the listed here Loud speakers Motors Generators All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path A line vertical to the flux lines The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path A line vertical to the flux lines The mean length of a ring shaped coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Brass Copper Ebolite Zinc Brass Copper Ebolite Zinc ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Nickel Cobalt Tungsten Chromium Nickel Cobalt Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
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