Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. small particles of iron. iron-dust. ferric-oxide. silicon-iron. small particles of iron. iron-dust. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. None of these ferro-magnectic. semi-magnetic. dia-magnetic. None of these ferro-magnectic. semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 5. 8. none of above. 51. 5. 8. none of above. 51. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 2. 4. 12. 7. 2. 4. 12. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. ANSWER DOWNLOAD EXAMIANS APP
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