Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. neutrons. protons. nucleus. electrons. neutrons. protons. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ferrites are magnetic. / >ferrites have high resistance. ferrites have low permeability. ferrites have hig hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? 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 Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. 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
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