Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Hoist. Generators. Motors. All of these. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different atomic number. numbers of protons. numbers of electrons. numbers of neutrons. atomic number. numbers of protons. numbers of electrons. numbers of neutrons. ANSWER DOWNLOAD EXAMIANS APP
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 A material with unequal anti-parallel atomic magnetic moments is non-magnetic. ferrimagnet. a ferrite. an anti-ferromagnet. non-magnetic. ferrimagnet. a ferrite. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High magnetic permeability. All of these Large hysteresis loop. High electrical resistivity. High magnetic permeability. All of these Large hysteresis loop. High electrical resistivity. ANSWER DOWNLOAD EXAMIANS APP