(a) What forces act on the horizontal wire, and under what condition is the wire ableto move upward at constant velocity?(b) Find the magnitude and direction of the minimum magnetic field required to movethe wire at constant speed.(c) What happens if the magnetic field exceeds this minimum value? (The wire slideswithout friction on the two vertical conductors.) 5. Consider the system pictured in Figure P19.21. A 15-cm length of conductor of mass15 g, free to move vertically, is placed between two thin, vertical conductors, and auniform magnetic field acts perpendicular to the page. When a 5.0-A current is directedas shown in the figure, the horizontal wire moves upward at constant velocity in thepresence of gravity.15 cm-5,0 A5.0 A5.0 AFigure P19.21

a) If the wire has to move in upward direction with constant velocity, the net force acting on the…

Consider the system pictured in Figure P19.21. A 15-cm length of conductor of mass 15 g, free to move vertically, is placed between two thin, vertical conductors, and a uniform magnetic field acts perpendicular to the page. When a 5.0-A current is directed as shown in the figure, the horizontal wire moves upward at constant velocity in the presence of gravity.

Consider the system pictured in Figure P19.21. A 15-cm length of conductor of mass 15 g, free to move vertically, is placed between two thin, vertical conductors, and a uniform magnetic field acts perpendicular to the page. When a 5.0-A current is directed as shown in the figure, the horizontal wire moves upward at constant velocity in the presence of gravity.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

(a) What forces act on the horizontal wire, and under what condition is the wire able
to move upward at constant velocity?
(b) Find the magnitude and direction of the minimum magnetic field required to move
the wire at constant speed.
(c) What happens if the magnetic field exceeds this minimum value? (The wire slides
without friction on the two vertical conductors.)

5. Consider the system pictured in Figure P19.21. A 15-cm length of conductor of mass
15 g, free to move vertically, is placed between two thin, vertical conductors, and a
uniform magnetic field acts perpendicular to the page. When a 5.0-A current is directed
as shown in the figure, the horizontal wire moves upward at constant velocity in the
presence of gravity.
15 cm-
5,0 A
5.0 A
5.0 A
Figure P19.21

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