Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. 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 Which of the following is the example for piezo-electric material ? Copper None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low permeability. high permeability. low susceptibility. high permittivity. low permeability. high permeability. low susceptibility. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 2. 12. 7. 4. 2. 12. 7. 4. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP