Engineering Materials in EE What is the dielectric constant of mica ? 100. 1 to 2. 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. alternating. rotating. pulsating. / >(A), (B), and (C) are all correct. alternating. rotating. pulsating. 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 magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Find the odd one out. Refractive index. Emissivity. Dielectric strength. Absorptivity. Refractive index. Emissivity. Dielectric strength. Absorptivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. none of above. soft iron. stainless steel. hardness steel. none of above. soft iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is copper. lead. pure iron. aluminium. copper. lead. pure iron. aluminium. ANSWER DOWNLOAD EXAMIANS APP
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