Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. semi-magnetic. None of these ferro-magnectic. dia-magnetic. semi-magnetic. None of these ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of sulfur atom is none of these. 1s2 , 2s2 2p6, 3s2 3p6. 2, 8, 2. 2, 8, 6. none of these. 1s2 , 2s2 2p6, 3s2 3p6. 2, 8, 2. 2, 8, 6. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. pure iron. copper. aluminium. lead. pure iron. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
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