A) non-linear dependence of the charge on the applied voltage B) a sharp dependence of polarization on temperature C) very high degree of polarization D) all of the above. Ans : (D)
A) semi-conductors B) super-conductors C) insulators D) conductors. Ans : (A)
A) vacuum tubes B) copper conductors C) ferrite cores D) transistors. Ans : (A)
A) Ferri-magnetic B) Ferro-magnetic C) Paramagnetic D) Diamagnetic. Ans : (C)
A) when 100% pure B) when electro refined C) at very high temperatures D) at absolute zero. Ans : (D)
A) Beryllium B) Calcium C) Zinc D) All of the above. Ans : (D)
A) electrical energy to mechanical energy B) mechanical energy to electrical energy C) both (A) and (B) above D) none of the above. Ans : (C)
A) Paramagnetic B) Diamagnetic C) Ferro-magnetic D) Ferri-magnetic. Ans : (A)
A) Copper-silver-zinc solder B) Tin-lead-silver solder C) Tin-lead solder D) Cadmium solder. Ans : (A)
A) 555o K B) 777o K C) 925o K D) 1043o K. Ans : (D)