Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. An atom contains a dense central nucleus. Atoms of different elements are quite different. Atoms can combine to form compounds. All matter is composed of atoms. An atom contains a dense central nucleus. Atoms of different elements are quite different. Atoms can combine to form compounds. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. lead. copper. aluminium. pure iron. lead. copper. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 8. 5. none of above. 51. 8. 5. none of above. 51. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. 100. ANSWER DOWNLOAD EXAMIANS APP