Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. purifying it. increasing carbon percentage. reducing carbon percentage. alloying with cobalt. purifying it. increasing carbon percentage. reducing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. copper. pure iron. aluminium. lead. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εoεr. εo / εr. εr / εo. None of these εoεr. εo / εr. εr / εo. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 1 to 2. 100. 200. 3 to 8. 1 to 2. 100. 200. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? Share electrons Lack holes Share holes None of these Share electrons Lack holes Share holes None of these ANSWER DOWNLOAD EXAMIANS APP
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