Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εo / εr. None of these εoεr. εr / εo. εo / εr. None of these εoεr. εr / εo. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is copper. pure iron. aluminium. lead. copper. pure iron. aluminium. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is an anti-ferromagnet. a ferrite. ferrimagnet. non-magnetic. an anti-ferromagnet. a ferrite. ferrimagnet. non-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. protons. nucleus. neutrons. electrons. protons. nucleus. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these Large hysteresis loop. High magnetic permeability. High electrical resistivity. All of these Large hysteresis loop. High magnetic permeability. High electrical resistivity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS