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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 heat dissipated in a resistance can be obtained by measuring of resistance,
- Electromagnets are made of soft iron because soft iron has
- On heating a ferromagnetic substance above curie temperature
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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