Engineering Materials in EE What is the value of dielectric constant of air? none of these. Less than 1 1. 0. none of these. Less than 1 1. 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from ferric-oxide. silicon-iron. small particles of iron. iron-dust. ferric-oxide. silicon-iron. small particles of iron. iron-dust. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. All of these Barium titanate. Rochelle salt. Potassium dihydrogen phosphate. All of these Barium titanate. Rochelle salt. 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
EXAMIANS