2. In order to cook this turkey, we will place it between two long straight parallel wires subject to a current ichef separated by distance D. The wires have either the current running in the same or opposing directions of equal magnitude. (a) Draw a picture representing a current-carrying wire. Indicate some- where at point P away from the wire, then write the expression for Biot-Savart's law in both vector and magnitude form. (b) Applying our knowledge about finding magnetic fields away from long straight wires, determine the necessary current ichef to produce a uni- form magnetic field B, and thus cooking this turkey at the center of both wires. Show both case of opposing and same-directional current.

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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.