Engineering Materials in EE Two different isotopes of an element have different atomic number. numbers of electrons. numbers of protons. numbers of neutrons. atomic number. numbers of electrons. numbers of protons. numbers of neutrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. high retentivity. large B-H loop area. low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by 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. jumping from one allowed orbit to another. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in loud speakers. motors. generators. all of above. loud speakers. motors. generators. all of above. ANSWER DOWNLOAD EXAMIANS APP
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