Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Motors. Generators. All of these. Hoist. Motors. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 51. none of above. 8. 5. 51. none of above. 8. 5. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 12. 4. 7. 2. 12. 4. 7. 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related sinusoidally. non linearly. linearly. parabolically. sinusoidally. non linearly. linearly. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low susceptibility. low permeability. high permittivity. high permeability. low susceptibility. low permeability. high permittivity. high permeability. ANSWER DOWNLOAD EXAMIANS APP
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