Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. pure iron. aluminium. copper. lead. pure iron. aluminium. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same atomic number. number of electrons. both option A. and C. number of protons. atomic number. number of electrons. both option A. and C. number of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of sulfur atom is 2, 8, 6. 2, 8, 2. 1s2 , 2s2 2p6, 3s2 3p6. none of these. 2, 8, 6. 2, 8, 2. 1s2 , 2s2 2p6, 3s2 3p6. none of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. loud speakers. generators. all of above. motors. loud speakers. generators. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. stainless steel. none of above. soft iron. hardness steel. stainless steel. none of above. soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as paramagnetic. ferromagnetic. diamagnetic. bipolar. paramagnetic. ferromagnetic. diamagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP