Engineering Materials in EE Almost the entire mass of an atom is concentrated in the nucleus. neutrons. electrons. protons. nucleus. neutrons. electrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Rochelle salt. All of these Barium titanate. Potassium dihydrogen phosphate. Rochelle salt. All of these Barium titanate. Potassium dihydrogen phosphate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. jumping from one allowed orbit to another. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. an anti-ferromagnet. ferrimagnet. non-magnetic. a ferrite. an anti-ferromagnet. ferrimagnet. non-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these Copper ANSWER DOWNLOAD EXAMIANS APP