Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as super die-electrics. elastomers. hard die-electrics. ferroelectric materials. super die-electrics. elastomers. hard die-electrics. ferroelectric materials. 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 It is difficult to magnetize steel because it has low permeability. high permeability. low susceptibility. high permittivity. low permeability. high permeability. low susceptibility. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. increasing carbon percentage. reducing carbon percentage. purifying it. alloying with cobalt. increasing carbon percentage. reducing carbon percentage. purifying it. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? Large hysteresis loop. High magnetic permeability. High electrical resistivity. All of these Large hysteresis loop. High magnetic permeability. High electrical resistivity. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
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