Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Motors. Generators. Hoist. All of these. Motors. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Column number on periodic table. Atomic mass. Atomic number. Row number on periodic table. Column number on periodic table. Atomic mass. Atomic number. Row number on periodic table. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP