Engineering Materials in EE Why diamond is very hard ? Because of covalent solid Because of high melting point Because of large cohesive energy None of these Because of covalent solid Because of high melting point Because of large cohesive energy None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. All matter is composed of atoms. An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. All matter is composed of atoms. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. All of these could not explain the line spectrum of atoms larger than hydrogen. had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. All of these could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these High magnetic permeability. High electrical resistivity. Large hysteresis loop. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in all of above. generators. motors. loud speakers. all of above. generators. motors. loud speakers. ANSWER DOWNLOAD EXAMIANS APP
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