Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is varying voltage a steady current a permanent magnetic field an electromagnetic field varying voltage a steady current a permanent magnetic field an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
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)? 270 90 360 180 270 90 360 180 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? 91.7 T 9.7 T 917 T 91 T 91.7 T 9.7 T 917 T 91 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Inductance Flux Flux density Field strength Inductance Flux Flux density Field strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as retentivity hysteresis reluctance permeability retentivity hysteresis reluctance permeability ANSWER DOWNLOAD EXAMIANS APP
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