Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have low permeability. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites are magnetic. ferrites have low permeability. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites are magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. alternating. / >(A), (B), and (C) are all correct. pulsating. rotating. alternating. / >(A), (B), and (C) are all correct. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 1. 100. infinity. 0. 1. 100. infinity. 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permittivity. high permeability. low permeability. low susceptibility. high permittivity. high permeability. low permeability. low susceptibility. ANSWER DOWNLOAD EXAMIANS APP
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