Voltage
- The electric potential difference between two points
- Produces force to move electrons
- Measured in volts
- What are the voltages reference to?
- 9V Diff with Batteries
- 120V Potential Diff between these two
- Neutral
- Hot
Ground (GND) or Common (COM)
- References a point in an electrical circuit from which voltages are measured
- Black = negative
- Red = positive
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