The diagram shows two long straight wires carrying the following currents in the directions shown: I1 = 3.2 A I2 = 0.8 A The net magnetic field at P, which is 1.8 cm from I1 and 2.5 cm from I2, is the vector sum of the fields from both wires. Calculate in tesla the magnitude of the net magnetic field at P.

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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.