Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. critical temperature. inversion temperature. conversion temperature. curie temperature. critical temperature. inversion temperature. conversion temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. 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
Engineering Materials in EE The materials which exhibit the same elastic properties in all directions are called isentropic. inelastic. isotropic. visco elastic. isentropic. inelastic. isotropic. visco elastic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid decreases with increasing temperature. increases with increasing temperature. is independent of temperature. depends on method of heating. decreases with increasing temperature. increases with increasing temperature. is independent of temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. ANSWER DOWNLOAD EXAMIANS APP
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