Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 mWb/m² 1 Wb/m² 1 Wb/m 1 Wb/mm² 1 mWb/m² 1 Wb/m² 1 Wb/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has low permeability it corrodes easily 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 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? 91.7 T 91 T 9.7 T 917 T 91.7 T 91 T 9.7 T 917 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances diamagnetic substances non-magnetic substances None of these ferromagnetic substances diamagnetic substances non-magnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
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