Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Glass. Mica. Porcelain. All of these. Glass. Mica. Porcelain. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. atomic number. numbers of electrons. numbers of protons. numbers of neutrons. atomic number. numbers of electrons. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently stainless steel. hardness steel. none of above. soft iron. stainless steel. hardness steel. none of above. soft iron. ANSWER DOWNLOAD EXAMIANS APP
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