Engineering Materials in EE Which of the following is the ferroelectric material ? Rochelle salt. Potassium dihydrogen phosphate. All of these Barium titanate. Rochelle salt. Potassium dihydrogen phosphate. All of these Barium titanate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is non-magnetic. an anti-ferromagnet. a ferrite. ferrimagnet. non-magnetic. an anti-ferromagnet. a ferrite. ferrimagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is alternating. / >(A), (B), and (C) are all correct. rotating. pulsating. alternating. / >(A), (B), and (C) are all correct. rotating. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. Less than 1 0. 1. none of these. Less than 1 0. 1. ANSWER DOWNLOAD EXAMIANS APP