Circuits
Explore the physics behind electricity.
Current Loops
Short Circuits
Choosing Bulbs
Splitting Current
The Path of Least Resistance
Bulb Brightness
Changing Current
Different Bulbs
Conserving Current
Voltage
Measuring Voltage
Voltage Around Paths
Branched Voltage
Power and Brightness
Deducing Power
Resistance
Solving for Resistance
Predicting Current
Controlling Current
Combining Resistance
Dividing Resistance
Total Resistance
Voltage and Resistance
Resistance and Brightness
Relative Resistance
Sharing Amps and Volts
Parallel Volt Shares
Power and Bulb Pairs
Subtracting Volts
Comparing Points
Bulbs with Voltage
Up next
Digital Circuits
Build simple computers out of logic gates.
Course description
Build an intuitive understanding of how electric circuits work, and the underlying concepts of current, voltage, resistance and power.
Topics covered
- Current
- Voltage
- Resistance
- Power
- Series and Parallel Circuits
Prerequisites and next steps
This course assumes no prior knowledge and teaches the key ideas needed to understand electricity and electric circuits, with some fun puzzles to solve along the way.