Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εr / εo. εo / εr. εoεr. None of these εr / εo. εo / εr. εoεr. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. aluminium. pure iron. copper. lead. aluminium. pure iron. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 1. 0. Less than 1 none of these. 1. 0. Less than 1 none of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the constituent is only iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. the constituent is only iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Water : Air. Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. Water : Air. Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
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