Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon. ferrites. iron. silicon carbide. silicon. ferrites. iron. silicon carbide. 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 Susceptibility is negative for non magnetic substances. ferromagnetic substances. none of above. diamagnetic substances. non magnetic substances. ferromagnetic substances. none of above. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many classes of insulating materials are there? 6. 7. 8. 5. 6. 7. 8. 5. ANSWER DOWNLOAD EXAMIANS APP