return path
Substantiv
The route by which a current or signal returns to its source, or to earth.
- Beispiele
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The inner, or negative, rail is also known as the 'current return' rail, because electrical current needs a circuit - a return path to earth, in other words.
One rail (known as the traction return rail) is not broken into [track circuit] sections as it provides the return path for the current.
Wortformen
return paths