A proton moves in a circular path of the same radius as a cosmic ray electron moving at 6.5 × 106 m/s perpendicular to the Earth’s magnetic field at an altitude where the field strength is 1.0 × 10-5 T . A) What will the speed of the proton be in m/s? B) What would the radius of the path be in meters if the proton had the same speed as the electron? C) What would the radius be in meters if the proton had the same kinetic energy as the electron? D) What would the radius be in meters if the proton had the same momentum as the electron?

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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.