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:

  1. (a) Here, metallic conductor can be considered as the combination of various conductors connected in series. And in series combination current remains same.



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