Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91 T 9.7 T 917 T 91.7 T 91 T 9.7 T 917 T 91.7 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 Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion 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? 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 6,000 T 600 T 600 T 6 T 6,000 T 600 T 600 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Copper Soft iron Aluminium Brass Copper Soft iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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