Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor resistance of conductor both of the listed here None of these reluctance of conductor resistance of conductor both of the listed here None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 31.25 V 1,000 V 2,000 V 3,125 V 31.25 V 1,000 V 2,000 V 3,125 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 250 AT/m 0.25 AT/m 25 AT/m 2500 AT/m 250 AT/m 0.25 AT/m 25 AT/m 2500 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is decreased reversed in polarity increased zero decreased reversed in polarity increased zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path little zero lower higher little zero lower higher 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)? 360 180 270 90 360 180 270 90 ANSWER DOWNLOAD EXAMIANS APP
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