Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 18.75 At 187 At 300 At 30 At 18.75 At 187 At 300 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The highest permeability of the iron rod The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The highest permeability of the iron rod The permeability at the end of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Permanance Reluctance Pole strength Resistance Permanance Reluctance Pole strength Resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in All of the listed here Generators Loud speakers Motors All of the listed here Generators Loud speakers Motors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Zinc Ebolite Brass Copper Zinc Ebolite Brass ANSWER DOWNLOAD EXAMIANS APP
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