Two long parallel wires 20 cm apart carry currents of 5.0 A and 8.0 A in opposite directions. At what point is the net magnetic field due to the two of them zero? 33 cm from the 8-A wire 12 cm from th3 8-A wire 33 cm from the 5-A wire There is no point where the net magnetic field is zero. 53 cm from the 5-A wire

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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.