Engineering Materials in EE The permanent magnets are made from which of following materials ? Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is infinity. 1. 100. 0. infinity. 1. 100. 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when both are correct. dipoles are repel other. none of above. dipoles are attract each other. both are correct. dipoles are repel other. none of above. dipoles are attract each other. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the protons. electrons. neutrons. nucleus. protons. electrons. neutrons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. pure iron. copper. aluminium. lead. pure iron. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ANSWER DOWNLOAD EXAMIANS APP
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