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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
- The magnetic lines of force inside a bar magnet
- A 1m long wire of diameter 0.31 mm has a resistance of 4.2Ω. If it is replaced by
- If (range)² is 48 times (maximum height)², then angle of projection is
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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