1000+ Electrical Engineering MCQ Questions and Answers Pdf - 1

Question: 1

The electric current in a liquid is due to the flow of

(A) electrons and positive ions both

(B) electrons only

(C) positive ions only

(D) negative and positive ions both

Question: 2

The resistance of a straight conductor is independent of

(A) cross sectional area

(B) shape of cross section

(C) material

(D) temperature

Question: 3

The specific resistance of a metallic conductor _____ with rise in temperature.

(A) decreases

(B) increases

(C) remains unchanged

(D) none of the above

Question: 4

Electric current is a

(A) number only

(B) sometimes scalar and sometimes vector

(C) vector quantity

(D) scalar quantity

Question: 5

The electric current in a metallic conductor is due to the flow of

(A) neutral atoms only

(B) electrons only

(C) positive ions only

(D) electrons and positive ions only