Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Causes no change in flux density Reverses the flux lines Decreases the flux density Increases the flux density Causes no change in flux density Reverses the flux lines Decreases the flux density Increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Relalative permeability Magnetic potential Magnetic field intensity Flux density Relalative permeability Magnetic potential Magnetic field intensity Flux density 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 Be excessive Decrease Increase Remain Constant Be excessive Decrease Increase Remain Constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removing gases from the materials Removal of magnetic impurities Remagnetising metallic parts Demagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Remagnetising metallic parts Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla Weber None of the listed here Lumens Tesla Weber None of the listed here Lumens ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction no force a downward force ANSWER DOWNLOAD EXAMIANS APP
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