SUMMARY
The strength of the Earth's electric field at the surface is established at 100 V/m. This measurement indicates the potential difference of 100 volts per vertical meter. The discussion clarifies that electric field strength is not expressed in V/m², but rather in V/m. To determine the average electric charge or energy flow per square meter on the Earth's surface, one must calculate the surface charge density using Gauss's theorem.
PREREQUISITES
- Understanding of electric fields and their units (V/m).
- Familiarity with Gauss's theorem in electrostatics.
- Basic knowledge of electric charge and surface charge density (coulombs/m²).
- Concept of electric potential difference.
NEXT STEPS
- Study Gauss's theorem and its applications in electrostatics.
- Research the relationship between electric fields and surface charge density.
- Explore the effects of lightning strikes on the Earth's electric field.
- Investigate the dynamics of electric charge transfer between the Earth and atmosphere.
USEFUL FOR
Students in physics, electrical engineers, and anyone interested in understanding the Earth's electric field and its implications in electrostatics.