6. A wire is formed so as to make a circular loop connecting two long, straight sections as shown in Figure 6. If the radius of the loop is R = 20 cm and the wire carries a current I = 2.4 A, what are the magnitude and direction of the magnetic field at the center of the loop? If needed, you can use the magnetic field due to a straight wire, and and the magnetic field at the center of a loop derived from Ampere's law. (Hint: The two long sections form one long straight current- carrying wire.)

6. A wire is formed so as to make a circular loop connecting two long, straight sections as shown in Figure 6. If the radius of the loop is R = 20 cm and the wire carries a current I = 2.4 A, what are the magnitude and direction of the magnetic field at the center of the loop? If needed, you can use the magnetic field due to a straight wire, and and the magnetic field at the center of a loop derived from Ampere's law. (Hint: The two long sections form one long straight current- carrying wire.)

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

6. A wire is formed so as to make a circular loop connecting
two long, straight sections as shown in Figure 6. If the
radius of the loop is R = 20 cm and the wire carries a
current I = 2.4 A, what are the magnitude and direction of
the magnetic field at the center of the loop?
I
If needed, you can use the magnetic field due to a straight
wire, and and the magnetic field at the center of a loop
derived from Ampere's law.
(Hint: The two long sections form one long straight current-
carrying wire.)

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