Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Generators. Hoist. Motors. All of these. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 4. a. a / 3. a / 2. a / 4. a. a / 3. a / 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 200. 1 to 2. 3 to 8. 100. 200. 1 to 2. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from iron-dust. small particles of iron. ferric-oxide. silicon-iron. iron-dust. small particles of iron. ferric-oxide. silicon-iron. ANSWER DOWNLOAD EXAMIANS APP