43. A proton is initially at rest and moves through three the proton accelerates across a potential difference of different regions as shown in the figure. In region 1, pointing out of the page and an electric field (not 3330 V. In region 2, there is a magnetic field of 1.20 T shown) pointing perpendicular to the magnetic field accelerates across a potential difference of the proton and perpendicular to the proton's velocity. Finally, in region 3, there is no electric field, but just a 1.20-T magnetic field pointing out of the page. (a) What is the speed of the proton as it leaves region 1 and enters region 2? (b) If the proton travels in a straight line through region 2, what is the magnitude and direction of the electric field? (c) In region 3, does the proton

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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.