Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. copper. aluminium. pure iron. lead. copper. aluminium. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 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. 8.854 × 10 - 10 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Paramagnetic. Diamagnetic. Soft iron. Ferromagnetic. Paramagnetic. Diamagnetic. Soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. super die-electrics. ferroelectric materials. elastomers. hard die-electrics. super die-electrics. ferroelectric materials. elastomers. 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
Engineering Materials in EE Susceptibility is negative for diamagnetic substances. none of above. non magnetic substances. ferromagnetic substances. diamagnetic substances. none of above. non magnetic substances. ferromagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
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