Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. none of above. soft iron. stainless steel. hardness steel. none of above. soft iron. stainless steel. 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 statement is not true of ferromagnetic materials. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. 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
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