SUMMARY
The calculation of Volts per centimeter (V/cm) for two coaxial tubes with a 20kV voltage difference involves understanding the geometry of the tubes rather than simply calculating area. The inner tube has an outer diameter (OD) of 0.5 inches and the outer tube has an OD of 1.00 inch, both with a length of 4 inches. The correct approach is to treat the coaxial tubes as a capacitor and use the formula for electric field strength, which is the voltage divided by the distance between the tubes. The distance is determined by the difference in their radii.
PREREQUISITES
- Understanding of electric fields and capacitance
- Familiarity with coaxial cable geometry
- Knowledge of voltage and its relationship to electric field strength
- Basic skills in unit conversion (inches to centimeters)
NEXT STEPS
- Study the concept of electric fields in cylindrical coordinates
- Learn how to calculate capacitance for coaxial cylinders
- Research the relationship between voltage, electric field, and distance
- Explore practical applications of coaxial cables in electrical engineering
USEFUL FOR
Students in electrical engineering, physics enthusiasts, and professionals working with coaxial cables or capacitive systems will benefit from this discussion.