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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
- Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively
- Photoelectric current from a given photocell will depend upon
- The ratio of magnetic dipole moment of an electron of charge e and mass m
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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