A telluric current (from Latin tellūs 'earth'), or Earth current, is an electric current that flows underground or through the sea, resulting from natural and human-induced causes. These currents have extremely low frequency and traverse large areas near or at Earth's surface.
A telluric current (from Latin tellūs 'earth'), or Earth current, is an electric current that flows underground or through the sea, resulting from natural and human-induced causes. These currents have extremely low frequency and traverse large areas near or at Earth's surface.
Source: Wikipedia "Telluric current" · CC BY-SA 4.0
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