Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. neutrons. protons. nucleus. electrons. neutrons. protons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons. protons and neutrons. electrons and protons. electrons. protons. protons and neutrons. electrons and protons. electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. the atomic magnetic moments are parallel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εr / εo. εo / εr. None of these εoεr. εr / εo. εo / εr. None of these εoεr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 1 to 2. 100. 200. 3 to 8. 1 to 2. 100. 200. ANSWER DOWNLOAD EXAMIANS APP
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