Which of the following statements best expresses Kirchhoff’s junction rule as it…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits
Problem
Which of the following statements best expresses Kirchhoff’s junction rule as it applies to electric current at a circuit node?
(a) The algebraic sum of the voltages around any closed loop in a circuit is zero.
(b) The algebraic sum of the currents around any closed loop in a circuit is zero.
(c) The total current entering a junction equals the total current leaving the junction.
(d) The current through each individual branch leaving a junction must equal the current entering the junction.