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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- A solid which is transparent to visible light and whose conductivity increases
- Three solids of masses m₁,m₂ and m₃ are connected with weightless string
- A wire in the form of a circular loop of one turn, carrying a current, produces
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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