A uniform magnetic field points upward, in the plane of the paper. A wire is perpendicular to the paper. When the wire carries a current, the net magnetic field at point 2 is zero. (a) What is the direction of the current in the wire – into or out of the paper? Explain. (b) Point 1 is the same distance from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 1. (c) Point 3 is twice as far from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 3. Both length and direction of your vectors are important. (d) If the net magnetic field at point 3 is 1.0x10-4 T, how much current is flowing in the wire? 3 Wire 1 1.0 cm

A uniform magnetic field points upward, in the plane of the paper. A wire is perpendicular to the paper. When the wire carries a current, the net magnetic field at point 2 is zero. (a) What is the direction of the current in the wire – into or out of the paper? Explain. (b) Point 1 is the same distance from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 1. (c) Point 3 is twice as far from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 3. Both length and direction of your vectors are important. (d) If the net magnetic field at point 3 is 1.0x10-4 T, how much current is flowing in the wire? 3 Wire 1 1.0 cm

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 uniform magnetic field points upward, in the plane of the paper. A wire is perpendicular to the
When the wire carries a current, the net magnetic field at point 2 is zero.
(a) What is the direction of the current in the wire – into or out of the paper? Explain.
раper.
(b) Point 1 is the same distance from the wire as point 2. Use a vector diagram to determine the net
magnetic field at point 1.
(c) Point 3 is twice as far from the wire as point 2. Use a vector diagram to determine the net magnetic
field at point 3. Both length and direction of your vectors are important.
(d) If the net magnetic field at point 3 is 1.0x10-4 T, how much current is flowing in the wire?
1요1 : 1 :1
Wire
1
1.0 cm

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