Current Electricity - Result Question 6
7. Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which remains constant along the conductor is :
[2015]
(a) current
(b) drift velocity
(c) electric field
(d) current density
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Answer:
Correct Answer: 7. (a)
Solution:
- (a) Here, metallic conductor can be considered as the combination of various conductors connected in series. And in series combination current remains same.
