Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. pure iron. copper. aluminium. lead. pure iron. copper. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related linearly. non linearly. sinusoidally. parabolically. linearly. non linearly. sinusoidally. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Find the odd one out. Refractive index. Dielectric strength. Emissivity. Absorptivity. Refractive index. Dielectric strength. Emissivity. Absorptivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Paper. Ceramics. Glass. Oil. Paper. Ceramics. Glass. Oil. ANSWER DOWNLOAD EXAMIANS APP
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