Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Carbon. Nitrogen. Oxygen. Sulphur. Carbon. Nitrogen. Oxygen. Sulphur. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. 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 Which statement is not true of ferromagnetic materials. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for non magnetic substances. diamagnetic substances. none of above. ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. ferromagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low permeability. high permeability. low susceptibility. high permittivity. low permeability. high permeability. low susceptibility. high permittivity. ANSWER DOWNLOAD EXAMIANS APP