At the instant shown in both sketches in Figure P30.37, a positively charged particle (q = 15.5 mC) travels with speed v = 356 m/s in a magnetic field with B = 0.650 T. The angle e is 32.0°. a. Find the magnetic force (magnitude and direction) exerted on the particle in both cases. b. If the positively charged particle is replaced by a negatively charged particle (g = -15.5 mC), how do your results change? O OBO Case 1 Case 2 FIGURE P30.37

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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.