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 Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. all of above. loud speakers. generators. motors. all of above. loud speakers. generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related non linearly. sinusoidally. linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. ANSWER DOWNLOAD EXAMIANS APP
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