Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. low permeability. low susceptibility. high permittivity. high permeability. low permeability. low susceptibility. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? All of these. Glass. Porcelain. Mica. All of these. Glass. Porcelain. Mica. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? Large hysteresis loop. High electrical resistivity. High magnetic permeability. All of these Large hysteresis loop. High electrical resistivity. High magnetic permeability. All of these ANSWER DOWNLOAD EXAMIANS APP