Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. All of these. Porcelain. Glass. Mica. All of these. Porcelain. Glass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. reducing carbon percentage. increasing carbon percentage. purifying it. alloying with cobalt. reducing carbon percentage. increasing carbon percentage. purifying it. 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. magnetic hysteresis. magnetostriction. magnetic expansion. magneto-calorisation. magnetic hysteresis. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of electrons. atomic number. both option A. and C. number of protons. number of electrons. atomic number. both option A. and C. number of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. inversion temperature. conversion temperature. critical temperature. curie temperature. inversion temperature. conversion temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ferrites. ANSWER DOWNLOAD EXAMIANS APP