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Kirchhoff's Rules Solver
AP Physics 2 Ā· Unit 11 Electric Circuits
ā” Solve
ā² Reset
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Learning Objectives
Apply Kirchhoff's Junction Rule (KCL): Ī£i = 0
Apply Kirchhoff's Loop Rule (KVL): Ī£V = 0
Solve multi-loop circuits with multiple EMFs
Determine current direction and magnitude in each branch
Kirchhoff's Rules
Junction (KCL):
Current in = Current out
Loop (KVL):
Sum of all voltage drops around any closed loop = 0
Tags
Kirchhoff
KVL
KCL
multi-loop
AP Physics 2
Iā
ā A
Iā
ā A
Iā
ā A
EMFā (V)
12
EMFā (V)
6
Rā (Ī©)
4
Rā (Ī©)
6
Rā (Ī©)
3
KVL Equations
Loop 1: ā
Loop 2: ā
Junction: Iā = Iā + Iā
Results
Iā
ā
Iā
ā
Iā
ā
P_total
ā
Quick Quiz
At a junction, 5A flows in and 2A flows out one branch. What flows out the other?
3 A
5 A
7 A
2 A