Basic Laws

Dr. Mustafa Uyguroglu

Resistance

Resistance: Basic Concepts and Assumptions

Ohm’s Law

Resistors & Passive Sign Convention

Other Eq. derived from Ohm’s Law

Example: Ohm’s Law

Short Circuit as Zero Resistance

Short Circuit as Voltage Source (0V)

Open Circuit

Open Circuit as Current Source (0 A)

Conductance

Circuit Building Blocks

Branches

Nodes

Loops

Overview of Kirchhoff’s Laws

Kirchhoff’s Current Law

Kirchhoff’s Current Law for Boundaries

KCL - Example

Ideal Current Sources: Series

Kirchhoff’s Voltage Law - KVL

KVL - Example

Example – Applying the Basic Laws

Example – Applying the Basic Laws

Example – Applying the Basic Laws

Resistors in Series

Resistors in Parallel

Resistors in Parallel

Voltage Divider

Current Divider

Resistor Network

Resistor Network - Comments

Delta Wye Transformations

Delta Wye Transformations

Example – Delta Wye Transformations