The amount of meat in prehistoric diets can be determined by measuring the ratio of the isotopes nitrogen-15 to nitrogen-14 in bone from human remains. Carnivores concentrate 15N, so this ratio tells archeologists how much meat was consumed by ancient people. Suppose you use a velocity selector (figure 1) to obtain singly ionized atoms of speed 513 km/s and want to bend them within a uniform magnetic field of 0.51 T. The measured masses of these isotopes are 2.35x10^-26 kg (14N) and 2.25x10^-26 kg (15N). Find the seperation of the 14N and 15N isotopes at the detector

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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.