Engineering Materials in EE Positive magnetostriction exists when dipoles are attract each other. dipoles are repel other. both are correct. none of above. dipoles are attract each other. dipoles are repel other. both are correct. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. non-magnetic. an anti-ferromagnet. ferrimagnet. a ferrite. non-magnetic. an anti-ferromagnet. ferrimagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. small particles of iron. iron-dust. ferric-oxide. silicon-iron. small particles of iron. iron-dust. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate ANSWER DOWNLOAD EXAMIANS APP