Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. diamagnetic substances. non magnetic substances. none of above. ferromagnetic substances. diamagnetic substances. non magnetic substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when none of above. dipoles are repel other. dipoles are attract each other. both are correct. none of above. dipoles are repel other. dipoles are attract each other. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in all of above. loud speakers. generators. motors. all of above. loud speakers. generators. motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
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