Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Crystal growth. High temperature. Friction and wear. Low temperature. Crystal growth. High temperature. Friction and wear. Low temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for diamagnetic substances. non magnetic substances. ferromagnetic substances. none of above. diamagnetic substances. non magnetic substances. ferromagnetic substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 200. 100. 3 to 8. 1 to 2. 200. 100. 3 to 8. 1 to 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. ANSWER DOWNLOAD EXAMIANS APP