A wire (mass = 50 g, length = 40 cm)is suspended horizontally by two%3D%3Dvertical wires which conduct a current| = 17.4 A, as shown in the figure. Themagnetic field in the region is into thepaper and has a magnitude of 60 mT.What is the tension in either wire ( inunits of N)?X x X x XX.X X X X X. X40 cmSelect one:А. О.37B. 0.45C. 0.91D. 0.32E. 0.57

Solution: Given that mass = 50g, length = 40 cm I = 17.4 A magnetic field B = 60 mT

A wire (mass = 50 g, length = 40 cm) is suspended horizontally by two %3D %3D vertical wires which conduct a current |= 17.4 A, as shown in the figure. The %3D magnetic field in the region is into the paper and has a magnitude of 60 mT. What is the tension in either wire ( in units of N)? X X X X X X x x X X X. X 40 cm

A wire (mass = 50 g, length = 40 cm) is suspended horizontally by two %3D %3D vertical wires which conduct a current |= 17.4 A, as shown in the figure. The %3D magnetic field in the region is into the paper and has a magnitude of 60 mT. What is the tension in either wire ( in units of N)? X X X X X X x x X X X. X 40 cm

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 85AP: Acircularcoiofwireofradius5.Ocmhas2Otums and carries a current of 2.0 A. The coil lies in a magnetic...

See similar textbooks

Similar questions

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 ray long, thick, cylindrical wire of radius R carries a current density J that varies across its cross-section, The magnitude of the current density7 at a point a distance r from the center of the wine is given by J=J0rR where J0 is a constant. Find the magnetic field (a) at a point outside the wire and (b) at a point inside the wire. Write your answer in terms of the net current I through the wire.
(a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T magnetic field, which makes it move in a circular arc with a 0.231-m radius. What positive charge is on the ion? (b) What is the radio of this charge to the charge of an electron? (c) Discuss why the radio found in (b) should be an integer.
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?
Check Your Understanding A straight, flexible length of copper wire is immersed in a magnetic field that is directed into the page, (a) If the wire's arrent runs in the +x-direction, which way will the wire bend? (b) Which way will the wire bend if the current nms in the -x-direction?
A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field is measured to be 1.5103V/m (a) What is the drift speed of the conduction electrons? (b) Assuming that n =8.01028 elections per cubic meter and that the cross-sectional area of the strip is 5.0106m2 , calculate the current in the ship, (c) What is the Hall coefficient 1/nq?
A long, straight wire of radius R caries a current I that is distributed uniformly over the cross-section of the wire. At what distance from the axis of the wire is the magnitude of the magnetic field a maximum?
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?
The current density in the long, cylindrical wire shown in the accompanying figure varies with distance r from the center of the wire according to J = cr. where c is a constant (a) What is the current through the wire? (b) What is the magnetic field produced by this current for r < R? For rR ?
The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 8.0T . What is the current through the long wire?
Acircularcoiofwireofradius5.Ocmhas2Otums and carries a current of 2.0 A. The coil lies in a magnetic field of magnitude 0.50 T that is directed parallel to the plane of the coil. (a) What is the magnetic dipole moment of the coil? (b) What is the torque on the coil?
A superconducting wire of diameter 0.25 cm carries a current of 1000 A. What is the magnetic field just outside the wire?