Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by 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. being completely removed from an atom. jumping from one atom to another atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. all of above. loud speakers. generators. motors. all of above. loud speakers. generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Oil. Glass. Paper. Ceramics. Oil. Glass. Paper. Ceramics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP
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