Engineering Materials in EE Permanent magnets are used in loud speakers. generators. motors. all of above. loud speakers. generators. motors. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of remagnetising metallic parts. removal of magnetic impurities. demagnetising metallic parts. removing gases from materials. remagnetising metallic parts. removal of magnetic impurities. demagnetising metallic parts. removing gases from materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. ferrimagnet. non-magnetic. an anti-ferromagnet. a ferrite. ferrimagnet. non-magnetic. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of large cohesive energy 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 ANSWER DOWNLOAD EXAMIANS APP
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