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A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m². If the density of charge carriers of the wire is 5×10²⁶ m⁻³, the drift velocity of the electrons will be
Options
(a) 1×10² ms⁻¹
(b) 1.56×10⁻² ms⁻¹
(c) 1.56×10⁻³ ms⁻¹
(d) 1×10⁻²ms⁻¹
Correct Answer:
1.56×10⁻² 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
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
- If both the resistance and the inductance in an LR AC series circuit are doubled
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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