Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. ferro-magnectic. None of these semi-magnetic. dia-magnetic. ferro-magnectic. None of these semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of covalent solid Because of large cohesive energy Because of high melting point None of these Because of covalent solid Because of large cohesive energy Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. aluminium. copper. pure iron. lead. aluminium. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. iron, aluminium. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 200. 100. 3 to 8. 1 to 2. 200. 100. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ANSWER DOWNLOAD EXAMIANS APP
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