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

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Magnetic Field of Wire Calculator