The long, thin wire shown in the figure is in a region of constant magnetic field is in a region of constant magnetic field B→. The wire carries a current of 6.2 A and is oriented at an angle of 7.5 degrees to the direction of the magnetic field. Part A: If the magnetic force exerted on this wire per meter is 3.3×10−2 N , what is the magnitude of the magnetic field? Part B: At what angle will the force exerted on the wire per meter be equal to 1.6×10−2 N ?

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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.