Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons. protons and neutrons. electrons and protons. protons. electrons. protons and neutrons. electrons and protons. protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid increases with increasing temperature. is independent of temperature. decreases with increasing temperature. depends on method of heating. increases with increasing temperature. is independent of temperature. decreases with increasing temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? none of above. 8. 5. 51. none of above. 8. 5. 51. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. ANSWER DOWNLOAD EXAMIANS APP
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