parallelogram pictured. The magnetic field lies in the plane of the page and points up. Determine the net force and the net torque on the loop, if the magnitude of magnetic field is 2.5 T. | = 10A 8.0 cm 60° - 10 cm- Hint Review Section 11.5 Force and Torque on a Current Loop. Note that the formula for magnetic torque on a magnetic dipole, Eq. 11.22, even though it was derived for the rectangular loop, the formula is correct for current loops of any shape, including a parallelogram (segment-by-segment analysis is trickier for the parallelogram, so take care if you are doing that). As for the net force, what is the net force on a current loop in a uniform magnetic field? (If necessary, do the segment-by-segment analysis for this.) The magnitude of the net force is |N, and the magnitude of the net torque is

parallelogram pictured. The magnetic field lies in the plane of the page and points up. Determine the net force and the net torque on the loop, if the magnitude of magnetic field is 2.5 T. | = 10A 8.0 cm 60° - 10 cm- Hint Review Section 11.5 Force and Torque on a Current Loop. Note that the formula for magnetic torque on a magnetic dipole, Eq. 11.22, even though it was derived for the rectangular loop, the formula is correct for current loops of any shape, including a parallelogram (segment-by-segment analysis is trickier for the parallelogram, so take care if you are doing that). As for the net force, what is the net force on a current loop in a uniform magnetic field? (If necessary, do the segment-by-segment analysis for this.) The magnitude of the net force is |N, and the magnitude of the net torque is

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 102A

See similar textbooks

Similar questions

Explain why the magnetic field would not be unique (that is, not have a single value) at a point in space where magnetic field lines might cross. (Consider the direction of the field at such a point.)
A portion of a long, cylindrical coaxial cable is shown in the accompanying figure. A current I flows down the center conductor, and this current is returned in the outer conductor. Determine the magnetic field in the regions (a)
The accompanying figure shows a flat, infinitely long sheet of width a that carries a current I uniformly distributed across it. Find the magnetic field at the point P, which is in the plane of the sheet and at a distance x from one edge. Test your result for the limit a ? 0.
Two long wires, one of which has a semicircular tend of radius R, are positioned as shown in the accompanying figure. If both wires carry a current I, how far apart must then parallel sections be so that the net magnetic field at P is zero? Does the current in the straight wire flow up or down?
What is the magnetic field at P due to the current I in the wire shown?
Consider the disk in the previous problem. Calculate tlie magnetic field at a point on its central axis that is a distance y above tlie disk,
Consider the area between the wires of the preceding problem. At what distance from tire top wire is the net magnetic field a minimum? Assume that the currents are equal and flow in opposite directions.
A 10-A current flows through the wire shown. What is the magnitude of the magnetic field due to a 0.5-mm segment of wire as measured at (a) point A and (b) point B?
The accompanying figure shows a long, straight wire carrying a current of 10 A. What is the magnetic force on an electron at the instant it Is 20 cm from tire wire, traveling parallel to the wire with a speed of 2.0105m/s ? Describe qualitatively the subsequent motion of the election, For this current, what is tire permeability of the iron? If the current is turned off and then restored to 10 A, will the magnetic field necessarily return to 2.0 T?
Consider the axial magnetic field Bv=0IR2/2(y2+R2)3/2 of the circular current loop shown below. (a) Evaluate aaBydy Also show that limaaaBydy=0I (b) Can you deduce this limit without evaluating the integral? (Hint: See the accompanying figure.)
Is the direction of the magnetic field shown in Figure 24.6 (a) consistent with the right—hand rule for current (RHR-2) in the direction shown in the figure?
The magnetic dipole moment of the iron atom is about 2.11023Am2 . (a) Calculate the maximum magnetic dipole moment of a domain consisting of 1019 iron atoms, (b) What current would have to flow through a single circular loop of wire of diameter 1.0 cm to produce this magnetic dipole moment?