The magnitude of the magnetic field produced by a long, straight wire is proportional to the current passing through the wire and inversely proportional to the distance from the wire. Consider the five pairs of long, parallel wires shown. The arrows indicate the direction of the current in each wire, with small arrows representing a current of 4 A and large arrows representing a current of 7 A. For each pair, determine in which one of the regions the net magnetic field is zero someplace: • on the left of both wires • between the two wires • on the right of both wires none of the above (i.e., nowhere) Do not consider distances very far from the wires since in this case the magnetic field always goes to zero. Left Between Right Nowhere

The magnitude of the magnetic field produced by a long, straight wire is proportional to the current passing through the wire and inversely proportional to the distance from the wire. Consider the five pairs of long, parallel wires shown. The arrows indicate the direction of the current in each wire, with small arrows representing a current of 4 A and large arrows representing a current of 7 A. For each pair, determine in which one of the regions the net magnetic field is zero someplace: • on the left of both wires • between the two wires • on the right of both wires none of the above (i.e., nowhere) Do not consider distances very far from the wires since in this case the magnetic field always goes to zero. Left Between Right Nowhere

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 magnitude of the magnetic field produced by a long, straight wire is proportional to the current passing through the wire and
inversely proportional to the distance from the wire.
Consider the five pairs of long, parallel wires shown. The arrows indicate the direction of the current in each wire, with small
arrows representing a current of 4 A and large arrows representing a current of 7 A. For each pair, determine in which one of the
regions the net magnetic field is zero someplace:
• on the left of both wires
• between the two wires
• on the right of both wires
none of the above (i.e., nowhere)
Do not consider distances very far from the wires since in this case the magnetic field always goes to zero.
Left
Between
Right
Nowhere
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