Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low susceptibility. high permittivity. high permeability. low permeability. low susceptibility. high permittivity. high permeability. low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. nucleus. neutrons. protons. electrons. nucleus. neutrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom could not explain the line spectrum of atoms larger than hydrogen. had some made-up rules without explanations. All of these explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. had some made-up rules without explanations. All of these explained the color lines in the hydrogen spectrum. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid depends on method of heating. increases with increasing temperature. decreases with increasing temperature. is independent of temperature. depends on method of heating. increases with increasing temperature. decreases with increasing temperature. is independent of temperature. ANSWER DOWNLOAD EXAMIANS APP
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