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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
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
- The slope of the graph showing the variation of potential difference V on X-axis
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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