Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because / >ferrites have high resistance. ferrites are magnetic. ferrites have low permeability. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites are magnetic. ferrites have low permeability. ferrites have hig hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. small particles of iron. ferric-oxide. iron-dust. silicon-iron. small particles of iron. ferric-oxide. iron-dust. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point None of these Because of large cohesive energy Because of covalent solid Because of high melting point None of these Because of large cohesive energy Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Low temperature. High temperature. Crystal growth. Friction and wear. Low temperature. High temperature. Crystal growth. Friction and wear. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. lead. aluminium. copper. pure iron. lead. aluminium. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related sinusoidally. linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. non linearly. ANSWER DOWNLOAD EXAMIANS APP
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