Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. iron. silicon. silicon carbide. ferrites. iron. silicon. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 1. Less than 1 0. none of these. 1. Less than 1 0. none of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. soft iron. stainless steel. none of above. hardness steel. soft iron. stainless steel. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons. electrons and protons. protons. protons and neutrons. electrons. electrons and protons. protons. protons and neutrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom 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. had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. ANSWER DOWNLOAD EXAMIANS APP