Engineering Materials in EE Susceptibility is negative for none of above. non magnetic substances. diamagnetic substances. ferromagnetic substances. none of above. non magnetic substances. diamagnetic substances. ferromagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low permeability. high permittivity. high permeability. low susceptibility. low permeability. high permittivity. high permeability. low susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as paramagnetic. diamagnetic. ferromagnetic. bipolar. paramagnetic. diamagnetic. ferromagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP