Question:
What will be drift velocity \(v_d\) of the free electron in a copper wire whose cross sectional area is A = 1.00 mm2 when the wire carries a current of 1.0 A. Assume that each copper atom contributes 1 electron to the electron gas. (Given density of copper = 8.94x103 kg/m3, atomic mass of copper = 63.5 u, 1 u = 1.66x10-27 kg)
What will be drift velocity \(v_d\) of the free electron in a copper wire whose cross sectional area is A = 1.00 mm2 when the wire carries a current of 1.0 A. Assume that each copper atom contributes 1 electron to the electron gas. (Given density of copper = 8.94x103 kg/m3, atomic mass of copper = 63.5 u, 1 u = 1.66x10-27 kg)
Updated On: Mar 17, 2025
- 7.4×10-5m/s
- 7.4×10-2 m/s
- 7.4×10-7 m/s
- 7.4 m/s
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
The correct option is (A)
Was this answer helpful?
0
0
Top Questions on Speed and velocity
- Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in km/s from the planet will be:
- JEE Main - 2025
- Physics
- Speed and velocity
- A fluid flows through a pipe with varying cross-section. If the velocity at the narrow section is 3 m/s and the cross-sectional area is half of the wider section, what is the velocity in the wider section?
- BITSAT - 2025
- Physics
- Speed and velocity
- A uniform disk of mass \(50\) \(kg\) is rolling without slipping with a speed of \(0.4 \;m/s\). Find minimum energy required to bring the disk to rest (in \(J\)).
- JEE Main - 2024
- Physics
- Speed and velocity
- A coil of two turns is made of a wire length L and another coil of four turns is made from same length L. When the same current is flowing in two coils, then the ratio of magnetic inductions at their centres is:
- AP EAMCET - 2024
- Physics
- Speed and velocity
A wire of 60 cm length and mass 10 g is suspended by a pair of flexible leads in a magnetic field of 0.60 T as shown in the figure. The magnitude of the current required to remove the tension in the supporting leads is:
- AP EAMCET - 2024
- Physics
- Speed and velocity
View More Questions
Questions Asked in CUET PG exam
Match sequencing methods with key feature.
- CUET (PG) - 2026
- Biotechnology
Match the technique with its application.
- CUET (PG) - 2026
- Biotechnology
Match the RNA type with its function.
- CUET (PG) - 2026
- Molecular Biology
Match the enzyme with its function.
- CUET (PG) - 2026
- Molecular Biology
Match the hypersensitivity type with its example.
- CUET (PG) - 2026
- Immunology
View More Questions