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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
- During mean life of a radioactive element, the fraction that disintegrates is
- Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
- For non-conductors, the energy gap is
- If two bodies are projected at 30⁰ and 60⁰ respectively with the same velocity, then
- Imagine a light planet revolving around a very massive star in a circular
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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