Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the nucleus. protons. neutrons. electrons. nucleus. protons. neutrons. electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. Less than 1 0. 1. none of these. Less than 1 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. elastomers. ferroelectric materials. super die-electrics. hard die-electrics. elastomers. ferroelectric materials. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Find the odd one out. Emissivity. Absorptivity. Dielectric strength. Refractive index. Emissivity. Absorptivity. Dielectric strength. Refractive index. ANSWER DOWNLOAD EXAMIANS APP