Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is ferrimagnet. a ferrite. non-magnetic. an anti-ferromagnet. ferrimagnet. a ferrite. non-magnetic. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is copper. lead. pure iron. aluminium. copper. lead. pure iron. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. low susceptibility. low permeability. high permittivity. high permeability. low susceptibility. low permeability. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 100. 0. 1. infinity. 100. 0. 1. infinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper ANSWER DOWNLOAD EXAMIANS APP
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