The figure below shows an electrical dipole inside a uniform electrical field with a module equal to 5.0*10^5 N / C oriented parallel to the plane of the figure. The loads are ± 1.6*10^-19 C and the distance between them is 0.125 *10^-9 m. Find the resulting force (FR) exerted by the electric field on the dipole, the electric dipole moment (p), the torque (τ) and the potential energy (U) of the system in the indicated position.

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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.