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)? 180 270 90 360 180 270 90 360 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. None of the listed here Ferromagnetic Diamagnetic Paramagnetic None of the listed here Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Does not vary with increasing cross-sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The lowest permeability of the iron rod The permeability at the end of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The lowest permeability of the iron rod The permeability at the end of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Weber Maxwell Tesla All of the listed here Weber Maxwell Tesla All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 150 At 200 At 100 At 300 At 150 At 200 At 100 At 300 At ANSWER DOWNLOAD EXAMIANS APP
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