Engineering Materials in EE Two different isotopes of an element have different atomic number. numbers of neutrons. numbers of protons. numbers of electrons. atomic number. numbers of neutrons. numbers of protons. numbers of electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is copper. pure iron. lead. aluminium. copper. pure iron. lead. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. critical temperature. conversion temperature. inversion temperature. curie temperature. critical temperature. conversion temperature. inversion temperature. ANSWER DOWNLOAD EXAMIANS APP
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