The magnetic dipole moment of the iron atom is about 2.0 x 10-23 A· m2.(a) Calculate the maximum magnetic dipole moment (in A · m2) of a domain consisting of 1019iron atoms.2e-3|× A•m2(b) What current (in A) would have to flow through a single circular loop of wire of diameter 3.7 cm to produce the magneticdipole moment you calculated?1.675X A

Answered: Image /qna-images/answer/94d83cf3-afaf-4289-a120-c9828c5ab0b6.jpg

23 The magnetic dipole moment of the iron atom is about 2.0 x 10- A•m?. (a) Calculate the maximum magnetic dipole moment (in A · m²) of a domain consisting of 1019 iron atoms. 2e-3 ]× A•m² (b) What current (in A) would have to flow through a single circular loop of wire of diameter 3.7 cm to produce the magnetic dipole moment you calculated? 1.675

23 The magnetic dipole moment of the iron atom is about 2.0 x 10- A•m?. (a) Calculate the maximum magnetic dipole moment (in A · m²) of a domain consisting of 1019 iron atoms. 2e-3 ]× A•m² (b) What current (in A) would have to flow through a single circular loop of wire of diameter 3.7 cm to produce the magnetic dipole moment you calculated? 1.675

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?
A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in a uniform magnetic field of magnitude 4.0105 T that is directed vertically downward, what is tire resultant magnitude of the magnetic field 20 cm above the wire? 20 cm below the wire?
An electron of kinetic energy 2000 eV passes between parallel plates that are 1.0 an apart and kept at a potential difference of 300 V. What is the strength of the uniform magnetic field B that will allow the electron to travel undeflected through the plates? Assume E and B are perpendicular.
A proton moves along the y-axis with vy = -4.05E+6 m/s. As it passes the origin, what is the magnetic field strength (in T) at (x,y,z) = (+2.62 cm, 0 cm, 0 cm)?
A current with a constant current density of Js= 1/π (A/m²) in the +z direction through the wire of radius a= 2 m, inside radius = 3m. And from the infinitely long cylindrical shell with a tooth radius of c=4m, a constant I=4 Ampere current flows homogeneously in the -z direction. Accordingly, using the Ampere formula, calculate the magnetic field in the regions r <a, a<r<b, b<r<c , and r>c.
A parallel-plate capacitor with circular plates of radius R = 16 mm and gap width d = 5.0 mm has a uniform electric field between the plates. Starting at time t = 0, the potential difference between the two plates is V ohm (100 V)e=t/t, where the time constant t = 12 ms. At radial distance r = 0.80R from the central axis, what is the magnetic field magnitude (a) as a function of time for t >- 0 and (b) at time t = 3t?
An electron in a TV CRT moves with a speed of 6.00 X 107 m/s,in a direction perpendicular to the Earth’s field, which has a strength of 5.00 X 10-5 T. 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 correction.)
current i =56.2 mA is set up in a loop havingtwo radial lengths and two semicir-cles of radii a = 5.72 cm and b =9.36 cm with a common centerP.What are the (a) magnitude and (b) direction (into or out ofthe page) of the magnetic field at P and the (c) magnitude and(d) direction of the loop’s magnetic dipole moment?
Write the function for the torque as a function of angle theta, on a 50-turn square loop of a wire of 15.0 cm on a side that carries 20.0 A of current in a 2.00 T magnetic field if the inital torque is zero at an angle of 0 radians. a) What would be the values of the torque at angles Pi/4, Pi/2, 3Pi/4, Pi, 5Pi/4, 3Pi/2, 7Pi/4, and 2Pi? b) Sketch your torque function vs angle in radians from 0 to 2Pi using your values you calculated in part a.
In an experiment designed to measure the Earth’s magnetic field using the Hall effect, a copper bar 0.500 cm thick is positioned along an east-west direction. Assume it n = 8.46 × 1028 electrons/m3 and the plane of the bar is rotated to be perpendicular to the direction of → B. If a current of 8.00 A in the conductor results in a Hall voltage of 5.10 × 10–12 V, what is the magnitude of the Earth’s magnetic field at this location?
A proton, with mass 1.67 × 10-27kg and charge +1.6 × 10-19C, is sent with velocity 7.1 × 104 m/s in the +x direction into a region where there is a uniform electric field of magnitude 730 V/m in the +y What are the magnitude and direction of the uniform magnetic field in the region, if the proton is to pass through undeflected? Assume that the magnetic field has no x-component and neglect gravitational effects. (Answer: 0.010 T, +z direction)
A 0.50 T magnetic field is applied to a paramagnetic gas whose atoms have an intrinsic magnetic dipole moment of 1.0* 10^23 J/T. At what temperature will the mean kinetic energy of translation of the atoms equal the energy required to reverse such a dipole end for end in this magnetic field?