Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. neutrons. protons. nucleus. electrons. neutrons. protons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. / >(A), (B), and (C) are all correct. alternating. rotating. pulsating. / >(A), (B), and (C) are all correct. alternating. rotating. 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 What are insulating materials that can tolerate maximum temperature? All of these. Porcelain. Mica. Glass. All of these. Porcelain. Mica. Glass. 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. All of these High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these High magnetic permeability. High electrical resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
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