| 1. | Refer to the diagram below showing the inner and outer conductors of a coaxial cable.
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| 2. | The outer conductor is usually sheathed in a protective PVC outer jacket ( A ).
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| 3. | In most cases, the inner and outer conductor terms are negligible, in which case one may approximate
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| 4. | Therefore, the inner or the outer conductor needs a DC-block, that is, a capacitor.
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| 5. | Coaxial railguns accelerate toroidal plasma armatures using a hollow outer conductor and a central, concentric, inner conductor.
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| 6. | Coaxial structures with spring-loaded inner and outer conductors can serve as an RF probe for modern communication electronics.
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| 7. | Also, additional quarter-wavelength sections may be connected to the outer conductor to form a better ground plane.
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| 8. | There are three regions that may contain induced magnetic fields : the center conductor, the dielectric and the outer conductor.
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| 9. | No energy flows outside the cable, either, since there the magnetic fields of inner and outer conductors cancel to zero.
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| 10. | If the DC block is used in the outer conductor, it is in parallel with the larger capacitor in the power supply.
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