Q. 5: (a)The Hall effect can be used to calculate the charge-carrier number density in a conductor. If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect voltage is 4.5µV when it is in a uniform magnetic field of 1.2 T, what is the density of charge carriers in the conductor?

Q. 5: (a)The Hall effect can be used to calculate the charge-carrier number density in a conductor. If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect voltage is 4.5µV when it is in a uniform magnetic field of 1.2 T, what is the density of charge carriers in the conductor?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 2Q: A proton precesses with a frequency p in the presence of a magnetic field. If the intensity of the...

See similar textbooks

Similar questions

A proton precesses with a frequency p in the presence of a magnetic field. If the intensity of the magnetic field is doubled, what happens to the precessional frequency?
An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's field, which has a strength of 5.0105 T. (a) What strength electric field must be applied perpendicular to the Earth’s field to make the election moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a collection,)
A superconducting wire of diameter 0.25 cm carries a current of 1000 A. What is the magnetic field just outside the wire?
Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (C) Which premise is responsible?
A Hall probe serves to measure magnetic field strength. One such probe consists of a poor conductor 0.121 mm thick, whose charge‑carrier density is 1.27×1025⁢ m−3. When a 1.77 A current flows through the probe, the Hall voltage is measured to be 3.15 mV. The elementary charge e=1.602×10−19 C. What is the magnetic field strength B?
5: (a)The Hall effect can be used to calculate the charge-carrier number density in a conductor. If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect voltage is 4.5µV when it is in a uniform magnetic field of 1.2 T, what is the density of charge carriers in the conductor?
A Hall probe serves to measure magnetic field strength. One such probe consists of a poor conductor 0.135 mm thick, whose charge‑carrier density is 1.01×1025 m−3. When a 1.97 A current flows through the probe, the Hall voltage is measured to be 4.29 mV. The elementary charge ?=1.602×10−19 C. What is the magnetic field strength ??
Q. 5: (a)The Hall effect can be used to calculate the charge-carrier number density in ad.0 ted conductor. If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect bognvoltage is 4.5µV when it is in a uniform magnetic field of 1.2 T, what is the density of latar charge carriers in the conductor? i no 7 oupTO1 ori lo sbui i ni JasTuo o ai IerW m 01 8.A air supro an shown reaches 43V
The Hall effect can be used to determine the density of mobile electrons in a conductor. A thin strip of the material being investigated is immersed in a magnetic field and oriented so that its surface is perpendicular to the field. In a particular measurement, the magnetic field strength was 0.735 T, the strip was 0.101 mm thick, the current along the strip was 2.95 A, and the Hall voltage between the strip's edges was 2.95 mV. Find the density n of mobile electrons in the material. The elementary charge is 1.602 x 10-19 C. 1.56 x104 n 3= -3 Incorrect
An infinitely long conductive wire of radius a is inside an infinitely long and very thin sheath of radius b. Constant I current goes from the conductor wire and returns from the cylindrical sheath. The current density is assumed to be uniform at the wire and sheath. Write the expressions of the magnetic field that are valid inside the wire, between the wire and the sheath and outside the sheath.
Niobium metal becomes a superconductor(with zero electrical resistance) when cooledbelow 8.3 K.The permeabilty of free space is 1.25664 ×10−6 N/A2.If superconductivity is destroyed when thesurface magnetic field exceeds 0.15 T, determine the maximum current a 3.2 mm diameter niobium wire can carry and remain superconducting.Answer in units of A.
The Hall effect can be used to determine the density of mobile electrons in a conductor. A thin strip of the material being investigated is immersed in a magnetic field and oriented so that its surface is perpendicular to the field. In a particular measurement, the magnetic field strength was 0.723 T, the strip was 0.107 mm thick, the current along the strip was 2.83 A, and the Hall voltage between the strip's edges was 2.73 mV. Find the density n of mobile electrons in the material. The elementary charge is 1.602 x 10-1° C. n = -3 m