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Energy Density of Fields Calculator
Calculate energy density in electric and magnetic fields
📖 Energy Density
The Energy Density estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.
📊 Result
💡 Tips & Information
- Electric: u = ½ε₀E²
- Magnetic: u = ½B²/μ₀
- Measured in J/m³
- Fields store energy
- Used in electromagnetics