Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. 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 allowed orbit to another. jumping from one atom to another atom. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one allowed orbit to another. jumping from one atom to another atom. moving faster or slower in an allowed orbit. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. Atoms of different elements are quite different. An atom contains a dense central nucleus. Atoms can combine to form compounds. All matter is composed of atoms. Atoms of different elements are quite different. An atom contains a dense central nucleus. Atoms can combine to form compounds. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. generators. loud speakers. all of above. motors. generators. loud speakers. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. aluminium, nickel. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. aluminium, nickel. ANSWER DOWNLOAD EXAMIANS APP
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