Engineering Materials in EE Why diamond is very hard ? Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. 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 semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of electrons. atomic number. both option A. and C. number of protons. number of electrons. atomic number. both option A. and C. number of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. numbers of electrons. atomic number. numbers of protons. numbers of neutrons. numbers of electrons. atomic number. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP