A beam of electrons whose kinetic energy is 1.9 ´ 10-16J emerges from a thin foil “window” at the end of an accelerator tube. There is a metal plate a distance d = 0.48mm from this window and at right angles to the direction of the emerging beam. a) Should the magnetic field point out or into the page?  b) What magnitude of the magnetic field will prevent the beam from hitting the plate?

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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.