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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
- If liquid level falls in a capillary then radius of capillary will be
- Which of the following rods of same material undergoes maximum elongation
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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