A long straight wire suspended in the air carries a conventional current of 8 amperes in the-x direction as shown (the wire runs along the x-axis). At a particular instant an electron at location < 0, -0.003, 0> m has velocity < -2.5 x 105,-3 x 105, 0> m/s. Zout (a) What is the magnetic field due to the wire at the location of the electron? B- tesla (b) What is the magnetic force on the electron due to the current in the wire? P. N (c) If the moving particle were a proton instead of an electron, what would the magnetic force on the proton be? N d

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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.