Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many classes of insulating materials are there? 5. 8. 6. 7. 5. 8. 6. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Oil. Glass. Ceramics. Paper. Oil. Glass. Ceramics. Paper. 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 Almost the entire mass of an atom is concentrated in the nucleus. protons. neutrons. electrons. nucleus. protons. neutrons. electrons. ANSWER DOWNLOAD EXAMIANS APP
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