Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Generators. Motors. Hoist. All of these. Generators. Motors. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Glass. Oil. Ceramics. Paper. Glass. Oil. Ceramics. Paper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. all of above. loud speakers. generators. motors. all of above. loud speakers. generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. Soft iron. Diamagnetic. Ferromagnetic. Paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for none of above. non magnetic substances. diamagnetic substances. ferromagnetic substances. none of above. non magnetic substances. diamagnetic substances. ferromagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
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