Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. critical temperature. inversion temperature. conversion temperature. curie temperature. critical temperature. inversion temperature. conversion temperature. 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 Permanent magnets are used in all of above. motors. generators. loud speakers. all of above. motors. generators. loud speakers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 51. 5. none of above. 8. 51. 5. none of above. 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 4. a / 2. a / 3. a. a / 4. a / 2. a / 3. a. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
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