Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil 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 Reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material Any of the listed here Decreases with increasing cross sectional area of material Does not vary with increasing cross-sectional area of material Increases with increasing cross-sec-tional area of material Any of the listed here Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts all paramagnetic substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Diamagnetic Ferromagnetic Paramagnetic None of the listed here Diamagnetic Ferromagnetic Paramagnetic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Gilbert is a unit of permittivity magnetomotive force conductance electromotive force permittivity magnetomotive force conductance electromotive force ANSWER DOWNLOAD EXAMIANS APP
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