An alpha particle(symbol a) having a mass 6.64x10^-27 kg and a charge +3.2x10^-19 C, is accelerated in the laboratory to a speed of 2.0x10^7 m/s. It passes into a region of a 0.50-t external magnetic field that is oriented perpendicular to the a’s initial velocity. What is the magnitude force on the a? What is the acceleration of the a? The force on the a will produce circular motion at constant speed. Find the radius of the circular motion of the a.

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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.