Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. aluminium, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 2. 4. 12. 7. 2. 4. 12. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. All of these Barium titanate. Rochelle salt. Potassium dihydrogen phosphate. All of these Barium titanate. Rochelle salt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for non magnetic substances. none of above. ferromagnetic substances. diamagnetic substances. non magnetic substances. none of above. ferromagnetic substances. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid depends on method of heating. decreases with increasing temperature. increases with increasing temperature. is independent of temperature. depends on method of heating. decreases with increasing temperature. increases with increasing temperature. is independent of temperature. ANSWER DOWNLOAD EXAMIANS APP
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