Engineering Materials in EE The Bohr model of the atom All of these explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. All of these explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by being completely removed from an atom. jumping from one atom to another atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one atom to another atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. 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. All of these High electrical resistivity. Large hysteresis loop. High magnetic permeability. All of these High electrical resistivity. Large hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. Less than 1 1. 0. none of these. Less than 1 1. 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in generators. motors. all of above. loud speakers. generators. motors. all of above. loud speakers. 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
EXAMIANS