Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. copper. aluminium. lead. pure iron. copper. aluminium. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. Less than 1 1. none of these. 0. Less than 1 1. 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 high resistance. ferrites have hig hysteresis. ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. an anti-ferromagnet. non-magnetic. ferrimagnet. a ferrite. an anti-ferromagnet. non-magnetic. ferrimagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Low temperature. Crystal growth. High temperature. Friction and wear. Low temperature. Crystal growth. High temperature. Friction and wear. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons and protons. electrons. protons. protons and neutrons. electrons and protons. electrons. protons. protons and neutrons. ANSWER DOWNLOAD EXAMIANS APP
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