Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. aluminium, nickel. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? None of these Share electrons Share holes Lack holes None of these Share electrons Share holes Lack holes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. ANSWER DOWNLOAD EXAMIANS APP