Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Hammering 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. None of the listed here Ferromagnetic Dielectric Diamagnetic None of the listed here Ferromagnetic Dielectric Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is current decreasing current voltage an increasing current current decreasing current voltage an increasing current ANSWER DOWNLOAD EXAMIANS APP