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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 radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
- The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
- The dimensions of Planck’s constant is same as that of
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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