Which statement defines Kirchhoff's Current Law?

Which statement defines Kirchhoff's Current Law?

• A. The algebraic sum of currents around a closed loop is zero.
• B. The voltages around a node sum to zero.
• C. The algebraic sum of currents at a node equals zero; currents into the node equal currents out.
• D. The sum of power in a circuit remains constant.

Answer: (C)