A long wire carrying 4.5A of current makes two 90° bends, as shown inf the figure below. The bent part of the wires passes through a uniform 0.35 T magnetic field directed as shown in the figure and contained in a limited region of space. Find the magnitude of the resultant force that the magnetic field exerts on the wire.

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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.