Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Heating Hammering All of the listed here By inductive action of another magnet Heating Hammering All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as None of the listed here Relatice permeability Flux density Susceptibility None of the listed here Relatice permeability Flux density Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Decreases with increasing cross sectional area of material 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? 9.7 T 917 T 91.7 T 91 T 9.7 T 917 T 91.7 T 91 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a good conductor Which is a bad conductor Which is a strong magnet Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a bad conductor Which is a strong magnet Through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 1,440 At/Wb 14,400 At/Wb 90,000 At/Wb 9,000 At/Wb 1,440 At/Wb 14,400 At/Wb 90,000 At/Wb 9,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
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