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 2500 AT/m 0.25 AT/m 25 AT/m 250 AT/m 2500 AT/m 0.25 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Ferro magnetic material Diamagnetic material Paramagnetic material None of the listed here Ferro magnetic material Diamagnetic material Paramagnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. None of the listed here Diamagnetic Paramagnetic Ferromagnetic None of the listed here Diamagnetic Paramagnetic Ferromagnetic 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 Pole strength of the magnet Motion of the magnet Resistance of the coil Number of turns of the coil Pole strength of the magnet Motion of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Inductance Field strength Flux Flux density Inductance Field strength Flux Flux density ANSWER DOWNLOAD EXAMIANS APP