Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the electrons. protons. neutrons. nucleus. electrons. protons. neutrons. nucleus. 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. moving faster or slower in an allowed orbit. jumping from one atom to another atom. jumping from one allowed orbit to another. being completely removed from an atom. moving faster or slower in an allowed orbit. jumping from one atom to another atom. jumping from one allowed orbit to another. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. numbers of protons. numbers of electrons. atomic number. numbers of neutrons. numbers of protons. numbers of electrons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom 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. All of these ANSWER DOWNLOAD EXAMIANS APP