Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 0.3 AT 30 AT 3 AT 300 AT 0.3 AT 30 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it has high permeability it has low permeability it corrodes easily it has high specific gravity it has high permeability it has low permeability it corrodes easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Flux density Relatice permeability None of the listed here Susceptibility Flux density Relatice permeability None of the listed here Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Resistance Reluctance Pole strength Permanance Resistance Reluctance Pole strength Permanance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Diamagnetic None of the listed here Ferromagnetic Dielectric Diamagnetic None of the listed here Ferromagnetic Dielectric ANSWER DOWNLOAD EXAMIANS APP
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