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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 particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- Given a sample of radium-226 having half-life of 4 days. Find the probability,
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force
- A planet in a distinct solar system is 10 times more massive than the earth
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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