Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called None of these semi-magnetic. dia-magnetic. ferro-magnectic. None of these semi-magnetic. dia-magnetic. ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. alternating. / >(A), (B), and (C) are all correct. rotating. pulsating. alternating. / >(A), (B), and (C) are all correct. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Rochelle salt. All of these Barium titanate. Potassium dihydrogen phosphate. Rochelle salt. All of these Barium titanate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of iron, aluminium. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. aluminium, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. aluminium, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Maximum number of electrons in a sub-shell with l = 3 and n = 4 is 8. 10. 20. 14. 8. 10. 20. 14. ANSWER DOWNLOAD EXAMIANS APP