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 When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the radius of the circle will be zero will be infinite will depend on the amount of e.m.f. applied will depend on the radius of the circle will be zero will be infinite will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor which is a strong magnet which is a bad conductor through which the magnetic lines of force can pass very easily which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Paramagnetic Diamagnetic None of the listed here Ferromagnetic Paramagnetic Diamagnetic None of the listed here Ferromagnetic 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? 91 T 917 T 9.7 T 91.7 T 91 T 917 T 9.7 T 91.7 T 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 Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material ANSWER DOWNLOAD EXAMIANS APP
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