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A silver wire of radius 0.1 cm carries a current of 2A. If the charge density in silver is 5.86×10²⁸ m⁻³, then the drift velocity is
Options
(a) 0.2×10⁻³ ms⁻¹
(b) 0.4×10⁻⁴ ms⁻¹
(c) 0.68×10⁻⁴ ms⁻¹
(d) 7×10⁻⁴ ms⁻¹
Correct Answer:
0.68×10⁻⁴ ms⁻¹
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 body oscillates with amplitude of 10 cm in a horizontal platform.
- Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
- If the earth shrink such that its mass does not change but radius decreases to one
- α- particles, β – particles and γ – rays are all having same energy.
- A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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