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Magnetic Field of Wire Calculator
Calculate magnetic field around current-carrying wire
📖 Magnetic Field of Wire
The Magnetic Field of Wire 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
- Formula: B = μ₀I / (2πr)
- μ₀ = 4π × 10⁻⁷ T⋅m/A
- Field circles around wire
- Right-hand rule determines direction
- Used in electromagnetics