Chapter 11.4
Ohm's Law: The Foundation of Electrical Circuit Analysis
Master the fundamental relationship between voltage, current, and resistance. Learn to apply Ohm's Law in real-world circuits, from basic electronics to complex electrical systems.
What You'll Learn
Define voltage, current, and resistance and their units (volts, amperes, ohms)
Apply Ohm's law to calculate voltage, current, or resistance in a circuit
Analyze series and parallel resistor configurations and their total resistance
Use Kirchhoff's voltage and current laws to solve circuit problems
Understand the relationship between electrical power, voltage, and current
What You'll Practice
1
Calculating current using voltage and resistance values
2
Finding total resistance in series and parallel circuits
3
Solving for unknown variables using Ohm's law (V = IR)
4
Applying Kirchhoff's laws to multi-resistor circuits
Why This Matters
Ohm's law is fundamental to understanding electricity and circuits in physics and engineering. You'll use these principles to analyze everything from household wiring to electronic devices, and they form the foundation for advanced topics in electrical engineering and electronics.
This Unit Includes
9 Video lessons
Learning resources
Skills
Ohm's Law
Voltage
Current
Resistance
Series Circuits
Parallel Circuits
Kirchhoff's Laws
Circuit Analysis
