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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 small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
- A body travelling along a straight line traversed one-third of the total distance
- Four blocks of same mass connected by cords are pulled by a force F
- Wavefront is the locus of all points, where the particles of the medium
- A heavy nucleus at rest breaks into two fragments which fly off with velocities
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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