A square-shaped ring with side a carrying a charge of Q + uniformly distributed over it Derive an equation for the electric field at any point on the axis of this ring that is x distance from its center if a = 50 cm and Q = 10^-8Coul Find the strength of the field in The following points, which are 15 cm, 10 cm, 20 cm, 25 cm from the center of the ring I need the answer in hand as soon as possible.

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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.