Magnetism and Electromagnetism The initial permeability of an iron rod is The highest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The lowest permeability of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The lowest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 2.4 N 0.24 N 240 N 24 N 2.4 N 0.24 N 240 N 24 N 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)? 90 360 270 180 90 360 270 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage reverses polarity increases remains unchanged decreases reverses polarity increases remains unchanged decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Field strength Flux Flux density Inductance Field strength Flux Flux density Inductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Lumens None of the listed here Tesla Weber Lumens None of the listed here Tesla Weber ANSWER DOWNLOAD EXAMIANS APP
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