Engineering Materials in EE Magnetic recording tape is most commonly made from iron-dust. small particles of iron. silicon-iron. ferric-oxide. iron-dust. small particles of iron. silicon-iron. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are attract each other. dipoles are repel other. none of above. both are correct. dipoles are attract each other. dipoles are repel other. none of above. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 100. 0. 1. infinity. 100. 0. 1. infinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? 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 None of these Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Find the odd one out. Absorptivity. Dielectric strength. Emissivity. Refractive index. Absorptivity. Dielectric strength. Emissivity. Refractive index. ANSWER DOWNLOAD EXAMIANS APP