Engineering Materials in EE Permanent magnets are used in motors. all of above. generators. loud speakers. motors. all of above. generators. loud speakers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 200. 3 to 8. 1 to 2. 100. 200. 3 to 8. 1 to 2. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon carbide. iron. silicon. ferrites. silicon carbide. iron. silicon. ferrites. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. an anti-ferromagnet. non-magnetic. ferrimagnet. a ferrite. an anti-ferromagnet. non-magnetic. ferrimagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by None of these εoεr. εo / εr. εr / εo. None of these εoεr. εo / εr. εr / εo. ANSWER DOWNLOAD EXAMIANS APP
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