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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Dimensions of resistance in an electrical circuit, in terms of dimension of mass M,
- The dimensions of pressure are equal to those of
- A thermocouple is made from two metals, antimony and bismuth. If one junction
- To observed diffraction, the size of the obstacle
- A 1m long wire of diameter 0.31 mm has a resistance of 4.2Ω. If it is replaced by
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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