Engineering Materials in EE Why diamond is very hard ? Because of covalent solid None of these Because of high melting point Because of large cohesive energy Because of covalent solid None of these Because of high melting point Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Row number on periodic table. Atomic mass. Column number on periodic table. Atomic number. Row number on periodic table. Atomic mass. Column number on periodic table. Atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. the constituent is only iron. one of the constituent is iron. 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 Indicate which of following material does not retain magnetism permanently soft iron. hardness steel. none of above. stainless steel. soft iron. hardness steel. none of above. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid is independent of temperature. depends on method of heating. increases with increasing temperature. decreases with increasing temperature. is independent of temperature. depends on method of heating. increases with increasing temperature. decreases with increasing temperature. ANSWER DOWNLOAD EXAMIANS APP