Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of protons. number of electrons. atomic number. both option A. and C. number of protons. number of electrons. atomic number. both option A. and C. ANSWER DOWNLOAD EXAMIANS APP
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 A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 100. 1. 0. infinity. 100. 1. 0. infinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 1 to 2. 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
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