Engineering Materials in EE Positive magnetostriction exists when both are correct. dipoles are attract each other. none of above. dipoles are repel other. both are correct. dipoles are attract each other. none of above. dipoles are repel other. 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 magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The materials which exhibit the same elastic properties in all directions are called visco elastic. isotropic. inelastic. isentropic. visco elastic. isotropic. inelastic. isentropic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. pure iron. aluminium. copper. lead. pure iron. aluminium. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of electrons. both option A. and C. number of protons. atomic number. number of electrons. both option A. and C. number of protons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. low susceptibility. low permeability. high permittivity. high permeability. low susceptibility. low permeability. high permittivity. ANSWER DOWNLOAD EXAMIANS APP