Engineering Materials in EE Magnetic recording tape is most commonly made from small particles of iron. silicon-iron. iron-dust. ferric-oxide. small particles of iron. silicon-iron. iron-dust. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. iron. silicon. silicon carbide. ferrites. iron. silicon. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? Less than 1 0. none of these. 1. Less than 1 0. none of these. 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. non magnetic substances. none of above. diamagnetic substances. ferromagnetic substances. non magnetic substances. none of above. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP