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 Temporary magnets are used in All of the listed here Loud speakers Generators Motors All of the listed here Loud speakers Generators Motors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. circular None of the listed here triangular rectangular circular None of the listed here triangular rectangular ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage remains constant increases reaches zero decreases remains constant increases reaches zero decreases ANSWER DOWNLOAD EXAMIANS APP
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