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
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 3 AT 30 AT 0.3 AT 300 AT 3 AT 30 AT 0.3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 4 6 12 8 4 6 12 8 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage increases remains constant decreases reaches zero increases remains constant decreases reaches zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 16 mA 12 mA 120 mA 1.7 mA 16 mA 12 mA 120 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Causes no change in flux density Reverses the flux lines Increases the flux density Decreases the flux density Causes no change in flux density Reverses the flux lines Increases the flux density ANSWER DOWNLOAD EXAMIANS APP
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