Two long, parallel wires are attracted to each other by a force per unit length of 335 A????1N/m. One wire carries a current of21.0 A to the right and is located along the line y = 0.460 m. The second wire lies along the x axis. Determine the value of yfor the line in the plane of the two wires along which the total magnetic field is zero.

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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.