Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Diamagnetic. Soft iron. Ferromagnetic. Paramagnetic. Diamagnetic. Soft iron. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point Because of large cohesive energy Because of covalent solid None of these Because of high melting point Because of large cohesive energy Because of covalent solid None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by None of these εr / εo. εo / εr. εoεr. None of these εr / εo. εo / εr. εoεr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 1. infinity. 100. 0. 1. infinity. 100. 0. 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
EXAMIANS