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
Ans: 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
Ans: B
shape of cross section
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
Ans: B
increases
Question: 4
Electric current is a
(A) number only
(B) sometimes scalar and sometimes vector
(C) vector quantity
(D) scalar quantity
Ans: 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
Ans: B
electrons only
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