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The drift velocity of free electrons in a conductor is v, when a current I is flowing in it. If both, the radius and the current is doubled, then drift velocity will be
Options
(a) v
(b) v / 2
(c) v / 4
(d) v / 8
Correct Answer:
v / 2
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 photosensitive metallic surface has work function, hν₀. If photons of energy
- Two charged spheres seperated at a distance d exert a force F on each other.
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A Carnot engine takes heat from a reservoir at 627⁰C and rejects heat
- In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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