Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. atomic number. numbers of protons. numbers of electrons. numbers of neutrons. atomic number. numbers of protons. numbers of electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of sulfur atom is 1s2 , 2s2 2p6, 3s2 3p6. 2, 8, 6. none of these. 2, 8, 2. 1s2 , 2s2 2p6, 3s2 3p6. 2, 8, 6. none of these. 2, 8, 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. copper. lead. pure iron. aluminium. copper. lead. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. ferrites have low permeability. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites are magnetic. ferrites have low permeability. / >ferrites have high resistance. ferrites have hig hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 51. none of above. 5. 8. 51. none of above. 5. 8. ANSWER DOWNLOAD EXAMIANS APP