Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. iron, cobalt, nickel. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. iron, cobalt, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons and neutrons. protons. electrons. electrons and protons. protons and neutrons. protons. electrons. electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in generators. loud speakers. all of above. motors. generators. loud speakers. all of above. motors. 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 allowed orbit to another. jumping from one atom to another atom. being completely removed from an atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. jumping from one atom to another atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP