A cylindrical region of uniform magnetic field exists perpendicular to the plane of paper which is increasing at a constant rate . The diameter of the cylindrical region is . A non conducting rigid rod of length having two charged particles are kept fixed on the diameter of cylindrical region w.r.t inertial frame. If two charged particles having charges each is kept fixed at the ends of the non – conducting rod. The net force on any one of the charge Q is

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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.