Electrical Engineering Materials - Study Mode
[#61] Which of the following material is not a semiconductor ?
Correct Answer
(A) Silica
[#62] Which of the following materials is preferred for transmitting electrical energy over long distance ?
Correct Answer
(D) Steel reinforced aluminium
[#63] The forbidden gap in an insulator is
Correct Answer
(A) Large
[#64] Platinum is used in
Correct Answer
Electrical contacts
[#65] In a crystal, an atom vibrates at a frequency determined by
Correct Answer
(C) The stiffness of the bonds it makes with neighbors