Practice Kirchhoff's Current Law (KCL) - 1.3.4.1 | Module 1: Foundations of DC Circuits | Basics of Electrical Engineering
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1.3.4.1 - Kirchhoff's Current Law (KCL)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

If 5 A flows into a node and 2 A flows out, what is the unknown current leaving?

💡 Hint: Use the formula ∑Iin = ∑Iout.

Question 2

Easy

What does KCL state about currents entering and leaving a node?

💡 Hint: Think about conservation of charge.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does Kirchhoff's Current Law state?

  • Total currents out equals total currents in.
  • Current can be created or destroyed.
  • Total currents in equals total currents out.

💡 Hint: Think about what happens at a junction.

Question 2

KCL applies to which type of circuits?

  • True
  • False

💡 Hint: Consider what KCL relies on.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation