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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.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.
- A choke is preferred to a resistance for limiting current in AC circuit because
- If the focal length of objective lens is increased, then magnifying power of
- Ist law of thermadynamics is based on
- Which of the following is not a thermodynamical coordinate?
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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