Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. High electrical resistivity. All of these Large hysteresis loop. High magnetic permeability. High electrical resistivity. All of these Large hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when none of above. dipoles are attract each other. dipoles are repel other. both are correct. none of above. dipoles are attract each other. dipoles are repel other. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon carbide. iron. silicon. ferrites. silicon carbide. iron. silicon. ferrites. 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 In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. copper. pure iron. aluminium. lead. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
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