Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is alternating. rotating. pulsating. / >(A), (B), and (C) are all correct. alternating. rotating. pulsating. / >(A), (B), and (C) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as diamagnetic. ferromagnetic. paramagnetic. bipolar. diamagnetic. ferromagnetic. paramagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently none of above. hardness steel. stainless steel. soft iron. none of above. hardness steel. stainless steel. soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of covalent solid Because of high melting point Because of large cohesive energy None of these Because of covalent solid Because of high melting point Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
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