Engineering Materials in EE The permeability of iron can be increased by purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. 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 Positive magnetostriction exists when none of above. dipoles are attract each other. dipoles are repel other. both are correct. none of above. dipoles are attract each other. dipoles are repel other. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is 100. 0. infinity. 1. 100. 0. infinity. 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials 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. the constituent is only iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. ANSWER DOWNLOAD EXAMIANS APP
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