Q. Which of the following substance is NOT a conductor?
(A) Aluminum
(B) Silicon
(C) Graphite
(D) All are conductors
The answer is: (D) All are conductors
Q. Which of the following substance is NOT a conductor?
(A) Aluminum
(B) Silicon
(C) Graphite
(D) All are conductors
The answer is: (D) All are conductors