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 The relative permeability is less than unity is case of Ferrits Paramagnetic material Diamagnetic material Ferromagnetic material Ferrits Paramagnetic material Diamagnetic material Ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 0.3 AT 30 AT 3 AT 300 AT 0.3 AT 30 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferro magnetic material Ferri-magnetic material Paramagnetic material Non-magnetic materials Ferro magnetic material Ferri-magnetic material Paramagnetic material Non-magnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
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