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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 toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- A particle has initial velocity (2i⃗+3j⃗) and acceleration (0.3i⃗+0.2j⃗). The magnitude
- A heavy stone hanging from a massless string of length 15 m is projected
- A resistance of 20 ohm is connected to a source of an alternating potential V
- If vₑ is escape velocity and vₙ is orbital velocity of a satellite
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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