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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
- The kinetic energy of an electron in the first excited state is
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- The near point and far point of a person are 40 cm and 250 cm, respectively.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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