Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. ferroelectric materials. elastomers. super die-electrics. hard die-electrics. ferroelectric materials. elastomers. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because 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. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Paper. Ceramics. Oil. Glass. Paper. Ceramics. Oil. Glass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low susceptibility. low permeability. high permeability. high permittivity. low susceptibility. low permeability. high permeability. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP