Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? None of the listed here Diamagnetic material Paramagnetic material Ferro magnetic material None of the listed here Diamagnetic material Paramagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is At/Wb Wb Wb/At × m At/m At/Wb Wb Wb/At × m At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is an increasing current decreasing current current voltage an increasing current decreasing current current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 24 At 2.4 At 2,400 At 240 At 24 At 2.4 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers None of the listed here Loud speakers Energy meters Transformers None of the listed here Loud speakers Energy meters 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
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