Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. diamagnetic substances. non magnetic substances. none of above. ferromagnetic substances. diamagnetic substances. non magnetic substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on intensity of electric field. presence of magnetic materials in the vicinity. frequency of applied voltage. area of hysteresis loop for the material. intensity of electric field. presence of magnetic materials in the vicinity. frequency of applied voltage. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Maximum number of electrons in a sub-shell with l = 3 and n = 4 is 20. 8. 14. 10. 20. 8. 14. 10. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removing gases from materials. remagnetising metallic parts. removal of magnetic impurities. demagnetising metallic parts. removing gases from materials. remagnetising metallic parts. removal of magnetic impurities. demagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP