Engineering Materials in EE Almost the entire mass of an atom is concentrated in the neutrons. protons. nucleus. electrons. neutrons. protons. nucleus. electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εr / εo. εoεr. εo / εr. None of these εr / εo. εoεr. εo / εr. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. one of the constituent is iron. the constituent is only iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. copper. lead. pure iron. aluminium. copper. lead. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by purifying it. reducing carbon percentage. alloying with cobalt. increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. increasing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related parabolically. linearly. non linearly. sinusoidally. parabolically. linearly. non linearly. sinusoidally. ANSWER DOWNLOAD EXAMIANS APP
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