Engineering Materials in EE The permeability of iron can be increased by purifying it. increasing carbon percentage. reducing carbon percentage. alloying with cobalt. purifying it. increasing carbon percentage. reducing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as anti-ferromagnetic. poly crystalline. semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. semi-magnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the protons. neutrons. electrons. nucleus. protons. neutrons. electrons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Maximum number of electrons in a sub-shell with l = 3 and n = 4 is 20. 14. 10. 8. 20. 14. 10. 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these High electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these High electrical resistivity. High magnetic permeability. Large hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP