Engineering Materials in EE Which of the following is the example for piezo-electric material ? None of these Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as poly crystalline. semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. semi-magnetic. paramagnetic. anti-ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from small particles of iron. ferric-oxide. silicon-iron. iron-dust. small particles of iron. ferric-oxide. silicon-iron. iron-dust. 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 electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these High electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. All of these explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. All of these ANSWER DOWNLOAD EXAMIANS APP