Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Rochelle salt. Barium titanate. All of these Potassium dihydrogen phosphate. Rochelle salt. Barium titanate. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. diamagnetic substances. none of above. non magnetic substances. ferromagnetic substances. diamagnetic substances. none of above. non magnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel, iron and cobalt. iron, aluminium. iron, cobalt, nickel. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. iron, cobalt, nickel. aluminium, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. Less than 1 1. none of these. 0. Less than 1 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
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