Find the currents and voltages of a DC circuit. Kirchhoff’s Laws, node voltage method, mesh and loop current methods.

Contents

Overview of DC analysis

DC circuit analysis — overview

Kirchhoff’s Laws

Kirchhoff’s Current Law

Kirchhoff’s Current Law

Kirchhoff’s Voltage Law

Kirchhoff’s Voltage Law

Application of the fundamental laws

Application of the fundamental laws

Application of the fundamental laws - setup

Application of the fundamental laws - solve

Node voltage method

Node Voltage Method

Node Voltage Method (steps 1 to 4)

Node Voltage Method (step 5)

Mesh current method

Mesh Current Method

Mesh Current Method (steps 1 to 3)

Mesh Current Method (step 4)

Loop Current Method

Exam question: Circuit with two batteries

Circuit with two batteries solved by recognizing the trick

Circuit with two batteries solved by the Node Voltage Method (1)

Circuit with two batteries solved by the Node Voltage Method (2)

Resistor circuits $\qquad$ Special topics in DC analysis