Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. iron. silicon carbide. silicon. ferrites. iron. silicon carbide. silicon. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the constituent is only iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the neutrons. electrons. protons. nucleus. neutrons. electrons. protons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related parabolically. linearly. non linearly. sinusoidally. parabolically. linearly. non linearly. sinusoidally. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. Glass. All of these. Porcelain. Mica. Glass. All of these. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
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