Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 600 T 600 T 6 T 6,000 T 600 T 600 T 6 T 6,000 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Resistance of the coil Number of turns of the coil Motion of the magnet Pole strength of the magnet Resistance of the coil Number of turns of the coil Motion of the magnet Pole strength of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 1111 At/Wb 1 At/Wb 11 At/Wb 111 At/Wb 1111 At/Wb 1 At/Wb 11 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Diamagnetic material Ferro magnetic material Paramagnetic material None of the listed here Diamagnetic material Ferro magnetic material Paramagnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Reverses the flux lines Causes no change in flux density Increases the flux density Decreases the flux density Reverses the flux lines Causes no change in flux density Increases the flux density 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 24 N 240 N 0.24 N 2.4 N 24 N 240 N 0.24 N 2.4 N ANSWER DOWNLOAD EXAMIANS APP
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