Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path zero little higher lower zero little higher lower ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Field strength Flux density Inductance Flux Field strength Flux density Inductance Flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be 2M M/4 M M/2 2M M/4 M M/2 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. None of the listed here Paramagnetic Ferromagnetic Diamagnetic None of the listed here Paramagnetic Ferromagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
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