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 ? Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. ferrites have low permeability. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites are magnetic. ferrites have low permeability. ferrites have hig hysteresis. / >ferrites have high resistance. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS