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 Choose the best suitable of Diamagnetic : Paramagnetic:: Permalloy : Super-alloy. Water : Air. Nickel : Cobalt. Iron : Steel. Permalloy : Super-alloy. Water : Air. Nickel : Cobalt. Iron : Steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as ferromagnetic. diamagnetic. paramagnetic. bipolar. ferromagnetic. diamagnetic. paramagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εr / εo. εoεr. εo / εr. None of these εr / εo. εoεr. εo / εr. None of these ANSWER DOWNLOAD EXAMIANS APP
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