The drift speed of electrons in copper wire of diameter and length l is v.

⇦

⇨

The drift speed of electrons in copper wire of diameter and length l is v. If the potential difference across the wire is doubled, then the new drift speed becomes

Options

(a) v
(b) 2v
(c) 3v
(d) v/2

Correct Answer:

2v

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

1. Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
2. The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
3. A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
4. In Young’s double slit experiment, for which colour the fringe width is the least
5. Changing magnetic fields can set up current loops in nearby metal bodies

Topics: Current Electricity (136)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends