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)? 360 270 180 90 360 270 180 90 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Remain Constant Be excessive Increase Decrease Remain Constant Be excessive Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a vector quantity pole strength scalar quantity universal constant vector quantity pole strength scalar quantity universal constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a permanent magnetic field an electromagnetic field a steady current varying voltage a permanent magnetic field an electromagnetic field a steady current varying voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force None of these 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? 300 At 100 At 150 At 200 At 300 At 100 At 150 At 200 At ANSWER DOWNLOAD EXAMIANS APP
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