The figure represents two long, straight, parallel wires extending in a direction per- pendicular to the page. A current 21 in the right wire runs into the page and a current I in the left runs out of the page. All the points and wires are a distance L apart as shown. I 21 a b K L L→ L→* L→ What is the direction of the magnetic field created by these wires at locations a, b and c? Assume that the length of the wires is > L.

The figure represents two long, straight, parallel wires extending in a direction per- pendicular to the page. A current 21 in the right wire runs into the page and a current I in the left runs out of the page. All the points and wires are a distance L apart as shown. I 21 a b K L L→ L→* L→ What is the direction of the magnetic field created by these wires at locations a, b and c? Assume that the length of the wires is > L.

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

The figure represents two long, straight,
parallel wires extending in a direction per-
pendicular to the page. A current 21 in the
right wire runs into the page and a current I
in the left runs out of the page. All the points
and wires are a distance L apart as shown.
I
21
b
a
C
K L - L→*- L→*L→
What is the direction of the magnetic field
created by these wires at locations a, b and c?
Assume that the length of the wires is » L.

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