Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? 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. Atoms can combine to form compounds. An atom contains a dense central nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εo / εr. εr / εo. None of these εoεr. εo / εr. εr / εo. None of these εoεr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point Because of large cohesive energy Because of covalent solid None of these Because of high melting point Because of large cohesive energy Because of covalent solid None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. copper. pure iron. aluminium. lead. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 3 to 8. 200. 100. 1 to 2. 3 to 8. 200. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP