Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 180 90 360 270 180 90 360 270 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as residual magnetism reluctance susceptance permeance residual magnetism reluctance susceptance permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same doubles decreases increases remains the same doubles decreases increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Inductance Flux density Flux Field strength Inductance Flux density Flux Field strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current an increasing current voltage current decreasing current an increasing current voltage current ANSWER DOWNLOAD EXAMIANS APP