Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. numbers of protons. atomic number. numbers of electrons. numbers of neutrons. numbers of protons. atomic number. numbers of electrons. 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 poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Hoist. Generators. Motors. All of these. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. They have fixed value of μr. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They have fixed value of μr. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called None of these dia-magnetic. ferro-magnectic. semi-magnetic. None of these dia-magnetic. ferro-magnectic. semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. ANSWER DOWNLOAD EXAMIANS APP
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