Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Column number on periodic table. Row number on periodic table. Atomic number. Atomic mass. Column number on periodic table. Row number on periodic table. Atomic number. Atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? Atoms can combine to form compounds. An atom contains a dense central nucleus. Atoms of different elements are quite different. All matter is composed of atoms. Atoms can combine to form compounds. An atom contains a dense central nucleus. Atoms of different elements are quite different. All matter is composed of atoms. 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 have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Generators. All of these. Hoist. Motors. Generators. All of these. Hoist. ANSWER DOWNLOAD EXAMIANS APP