Engineering Materials in EE Dielectric constant for vacuum is 0. 100. 1. infinity. 0. 100. 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. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. alloying with cobalt. purifying it. increasing carbon percentage. reducing carbon percentage. alloying with cobalt. purifying it. increasing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is an anti-ferromagnet. ferrimagnet. non-magnetic. a ferrite. an anti-ferromagnet. ferrimagnet. non-magnetic. a ferrite. ANSWER DOWNLOAD EXAMIANS APP
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