Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetic expansion. magnetic hysteresis. magnetostriction. magneto-calorisation. magnetic expansion. magnetic hysteresis. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Atomic mass. Row number on periodic table. Atomic number. Column number on periodic table. Atomic mass. Row number on periodic table. Atomic number. Column number on periodic table. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as paramagnetic. poly crystalline. semi-magnetic. anti-ferromagnetic. paramagnetic. poly crystalline. semi-magnetic. anti-ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is non-magnetic. a ferrite. ferrimagnet. an anti-ferromagnet. non-magnetic. a ferrite. ferrimagnet. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
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