Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. Large hysteresis loop. High electrical resistivity. All of these High magnetic permeability. Large hysteresis loop. High electrical resistivity. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 4. 2. 7. 12. 4. 2. 7. 12. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. ferroelectric materials. super die-electrics. hard die-electrics. elastomers. ferroelectric materials. super die-electrics. hard die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Maximum number of electrons in a sub-shell with l = 3 and n = 4 is 14. 8. 20. 10. 14. 8. 20. 10. ANSWER DOWNLOAD EXAMIANS APP
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