The figure shows a cross section of three long, straight, and parallel current-carrying wires. Notice we are using the common convention that crosses denote vectors pointing into the page and dots denote vectors coming out of the page. Ľ 10.0 cm- A 5.00 A -10.0 cm- B C 10.0 A 10.0 cm- 20.0 A Find the magnitude of the force per unit length, in newtons per meter, on wire A. FA= Find the direction of the force for wire A. Measure this angle counterclockwise, in degrees, from the positive x-axis. 0A =

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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.