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 In ferromagnetic materials one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? Less than 1 none of these. 0. 1. Less than 1 none of these. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Column number on periodic table. Row number on periodic table. Atomic mass. Atomic number. Column number on periodic table. Row number on periodic table. Atomic mass. Atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. ANSWER DOWNLOAD EXAMIANS APP
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