Engineering Materials in EE Two different isotopes of an element have different numbers of protons. numbers of electrons. numbers of neutrons. atomic number. numbers of protons. numbers of electrons. numbers of neutrons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when none of above. both are correct. dipoles are attract each other. dipoles are repel other. none of above. both are correct. dipoles are attract each other. dipoles are repel other. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Hoist. All of these. Generators. Motors. Hoist. All of these. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of iron. silicon carbide. silicon. ferrites. iron. silicon carbide. silicon. ferrites. 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 low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these High electrical resistivity. Large hysteresis loop. High magnetic permeability. All of these High electrical resistivity. Large hysteresis loop. High magnetic permeability. ANSWER DOWNLOAD EXAMIANS APP