Magnetism and Electromagnetism A keeper is used to 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 Amplify flux Provide a closed path for flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as reluctance permeability hysteresis retentivity reluctance permeability hysteresis retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage None of the listed here Is zero Increase Decrease None of the listed here Is zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Ferromagnetic material Diamagnetic material Ferrits Paramagnetic material Ferromagnetic material Diamagnetic material Ferrits Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 9.7 T 91.7 T 917 T 91 T 9.7 T 91.7 T 917 T 91 T ANSWER DOWNLOAD EXAMIANS APP
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