Thoir iomradh air an earrann gu h-ìosal agus an uairsin freagair a 'cheist às deidh sin anns an aon chànan ris an earrann:  Passage: Tha an lagh seo cuideachd air a ghairm Kirchhoff's first law, Kirchhoff's point rule, no Kirchhoff's junction rule (no nodal rule).  Ceist: Dè an t-ainm a th' air an lagh?
A' chiad lagh Kirchhoff