An electromagnetic rail gun can fire a projectile using a magnetic field and an electric current. Consider two conducting rails that are 0.700 m apart with a 50.7-g conducting rod connecting the two rails as in the given figure. A magnetic field of magnitude 0.760 T is directed perpendicular to the plane of the rails and rod. A current of 2.00 A passes through the rod. What direction is the force on the rod? If there is no friction between the rails and the rod, how fast is the rod moving after it has traveled 8.00 m down the rails?

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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.