Calculate the magnitude and direction of the magnetic field at the point P for the configuration below. The loops are 10 cm in diameter and 10 cm away from each other. The point P is exactly in the middle point between the two loops. The direction of the current in each loop is shown in the picture and its magnitude is equal to 1.3A

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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.