Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? Large hysteresis loop. All of these High electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these High electrical resistivity. High magnetic permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. hard die-electrics. ferroelectric materials. super die-electrics. elastomers. hard die-electrics. ferroelectric materials. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Water : Air. Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. Water : Air. Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permittivity. low susceptibility. high permeability. low permeability. high permittivity. low susceptibility. high permeability. low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. ANSWER DOWNLOAD EXAMIANS APP
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