Magnetism and Electromagnetism A magnetic field exists around Iron Moving Charges Copper Aluminium Iron Moving Charges Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Diamagnetic Dielectric None of the listed here Ferromagnetic Diamagnetic Dielectric None of the listed here Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Susceptibility None of the listed here Relatice permeability Flux density Susceptibility None of the listed here Relatice permeability Flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as ferromagnetic material conducting material diamagnetic material paramagnetic material ferromagnetic material conducting material diamagnetic material paramagnetic material 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? 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts some substances and repels others Attracts all paramagnetic substances and repels others ANSWER DOWNLOAD EXAMIANS APP
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