Two long, parallel wires are separated by a distance ? and carry current ? flowing in opposite directions, as shown in the figure. A circuit segment of length ? is parallel to the long wires and carries a current of ?′ flowing in the direction shown. The circuit segment is at distance ? from the wires. The +? direction is to the right, the +? direction is up, and the +? direction is out of the screen. Approximate the net magnetic force ?⃗ B,net acting on the circuit segment in terms of the given quantities and physical constants assuming that ?≫?. Express the force using ??? unit vector notation.

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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.