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
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as paramagnetic. bipolar. ferromagnetic. diamagnetic. paramagnetic. bipolar. ferromagnetic. diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. intensity of electric field. frequency of applied voltage. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. intensity of electric field. frequency of applied voltage. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon carbide. ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of electrons. number of protons. atomic number. both option A. and C. number of electrons. number of protons. atomic number. both option A. and C. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these ANSWER DOWNLOAD EXAMIANS APP
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