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 Positive magnetostriction exists when dipoles are repel other. both are correct. none of above. dipoles are attract each other. dipoles are repel other. both are correct. none of above. dipoles are attract each other. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Copper Lead zirconate titanate None of these Potassium niobate Copper Lead zirconate titanate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. high permittivity. low permeability. low susceptibility. high permeability. high permittivity. low permeability. low susceptibility. 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 expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Calcium silicate. Zinc silicate. Zinc sulphide. Magnesium silicate. Calcium silicate. Zinc silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP