Kirchhoff’s Laws: Two rules regarding the conservation of current and voltage in electrical circuits: Kirchhoff’s Current Law (KCL) states that the total current entering a junction equals the total c...Kirchhoff’s Laws: Two rules regarding the conservation of current and voltage in electrical circuits: Kirchhoff’s Current Law (KCL) states that the total current entering a junction equals the total current leaving; Kirchhoff’s Voltage Law (KVL) states that the sum of the electrical potential differences around any closed circuit is zero.