Kirchhoffs current law (KCL) states: A Voltage around a loop = 0 B The algebraic sum of currents entering and leaving a node equals zero C Power is constant D Resistance is constant ✓ Correct Answer: Option B KCL: charge conservation. ΣI_in = ΣI_out at any junction. Fundamental for node analysis. Practice FE Exam Prep Quizzes → Browse All Questions Study Flashcards