Determine the direction of the force that will act on the charge in each of the following situations.   A negative charge moving into the screen in a magnetic field that points downward. A negative charge moving downward in an electric field that points out of the screen. A positive charge moving out of the screen in a magnetic field that points out of the screen.             Answer Bank upward zero force into the screen downward to the left to the right

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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.