Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Porcelain. Mica. All of these. Glass. Porcelain. Mica. All of these. Glass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 1 to 2. 3 to 8. 200. 100. 1 to 2. 3 to 8. 200. 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 magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. non linearly. sinusoidally. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when both are correct. dipoles are repel other. dipoles are attract each other. none of above. both are correct. dipoles are repel other. dipoles are attract each other. none of above. ANSWER DOWNLOAD EXAMIANS APP
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