DC Circuits

Closed Mesh

Branch

Node

Useful Nodes

Ideal voltage sources

Current source

Conventional Current

Ohm's Law

Conductance (G)

Kirchhoff's First Law (KCL)

Kirchhoff's Second Law (KVL)

Joule's Law

Power

Resistors are in series when...

Combining resistors in series

Resistors are in parallel when...

Combining resistors in parallel

A resistor is short circuited when...

Voltage Divider

Current Divider

Voltage sources in series

Voltage sources in parallel

Current sources in series

Current sources in parallel

Source transformations
Voltage source => Current source

Source transformation
Current source => Voltage source

Superposition principal

How do you "turn" a voltage source to zero?

How do you "turn" a current source to zero?

When does maximum power transfer occur?

Maximum power transfer equals?

Thevenin's equivalent circuit

Norton's equivalent circuit

How are Norton's and Thevenin's equivalent circuits related?