1000+ Electrical Engineering MCQ Questions and Answers Pdf - 2

Question: 6

Conductivity is the reciprocal of

(A) resistivity

(B) resistance

(C) current density

(D) none of the above

Question: 7

Semiconductors have _____ temperature coefficient of resistance.

(A) positive

(B) zero

(C) negative

(D) none of the above

Question: 8

Which of the following is the best material for making connecting wires?

(A) nichrome

(B) copper

(C) constantan

(D) manganin

Question: 9

A wire having very high value of conductance is said to be

(A) moderately good conductor

(B) insulator

(C) very good conductor

(D) none of the above

Question: 10

The diameter of an atom is about

(A) 10^-15m

(B) 10^-2m

(C) 10^-8m

(D) 10^-10m