Electrons are fired Eastward at ạ certain location near the Earth's surface. Ignore gravity throughout this problem.  a) Describe the motion of the electrons and draw a diagram showing the trajectory they follow. b) If the electrons first return to their initial positions after 1.5 x 10^-6 seconds. determine thẹ magnitude of the Earth's magnetic field at that location.  c) If it is known that the horizontal component of the magnetic field is 1.9 x 10^-5 Tesla, in precisely which direction should the electrons be fired so as to travel in a straight line? You may express any angle as an inverse trigonometric function

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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.