Practice - Kirchhoff's Current Law (KCL)
Practice Questions
Test your understanding with targeted questions
If 5 A flows into a node and 2 A flows out, what is the unknown current leaving?
💡 Hint: Use the formula ∑Iin = ∑Iout.
What does KCL state about currents entering and leaving a node?
💡 Hint: Think about conservation of charge.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Kirchhoff's Current Law state?
💡 Hint: Think about what happens at a junction.
KCL applies to which type of circuits?
💡 Hint: Consider what KCL relies on.
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Challenge Problems
Push your limits with advanced challenges
Consider a circuit with multiple paths converging at a node. Four currents enter: 2 A, 3 A, 1 A, and 4 A exits. Calculate the unknown current leaving the node.
💡 Hint: Sum all entering currents and set equal to leaving currents.
A node has three currents: 5 A entering, 3 A leaving, and two unknown currents, I1 and I2. Establish the equations based on KCL.
💡 Hint: Set total entering equal to total leaving.
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Reference links
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