Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Flux density Susceptibility None of the listed here Relatice permeability Flux density Susceptibility None of the listed here Relatice permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Reverses the flux lines Causes no change in flux density Decreases the flux density Increases the flux density Reverses the flux lines Causes no change in flux density Decreases the flux density Increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Placing it inside a coil carrying current The use of permanent magnet Rubbing with another magnet Induction Placing it inside a coil carrying current The use of permanent magnet Rubbing with another magnet Induction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area All of the listed here Increasing the number of turns Increasing current supply Increasing the cross-sectional area All of the listed here Increasing the number of turns Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
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