Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. ferroelectric materials. hard die-electrics. super die-electrics. elastomers. ferroelectric materials. hard die-electrics. super die-electrics. 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. 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. being completely removed from an atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when both are correct. dipoles are repel other. dipoles are attract each other. none of above. both are correct. dipoles are repel other. dipoles are attract each other. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. All of these. Motors. Hoist. Generators. All of these. Motors. Hoist. ANSWER DOWNLOAD EXAMIANS APP
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