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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
- The phase difference between the flux linked with a coil rotating in a uniform
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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