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