Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. 1. Less than 1 none of these. 0. 1. Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. ferroelectric materials. super die-electrics. elastomers. hard die-electrics. ferroelectric materials. super die-electrics. elastomers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 100. 200. 3 to 8. 1 to 2. 100. 200. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. none of above. stainless steel. soft iron. hardness steel. none of above. stainless steel. soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. ANSWER DOWNLOAD EXAMIANS APP
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