Electricity and Magnets
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28 terms
Terms | Definitions |
|---|---|
 Rate of flow of positive charge through a conductor | What is electric current? |
| Electrical Potential Difference | What is the first condition for continuous current to flow? |
| Complete Circuit | What is the second condition for continuous current to flow |
| Volts | What is Electrical Potential Difference measured in? |
| The work done in the source on each coulomb of charge to give them energy | What does voltage measure? |
| Resistance | What determines how much current will flow through each part of a circuit? |
| Opposition to flow of charge | What is resistance? |
| V=IR | What is Ohm's Law? |
| I | In Ohm's Law, what is the dependent variable? |
| Increase voltage, reduce resistance | What are two ways to increase current through a circuit? |
| Redox Reactions | What causes electrochemistry? |
| Batteries | What is electrochemistry primarily used in? |
| Electrochemistry, Electromagnetism, Photoelectricity, Thermoelectricity, Piezoelectricity | What are the five sources of voltage? |
| Running wires around magnets | How does electromagnetism work? |
| Audio Devices | What is electromagnetism primarily used in? |
| Cameras and Lights | What is photoelectricity primarily used in? |
| Thermometers and Coolers | What is thermoelectricity primarily used in? |
| Microphones and Printers | What is piezoelectricity primarily used in? |
| Additive | In a series, what is the voltage? |
| The same | In a series, what is the current? |
| Additive | In a series, what is the resistance? |
| Divide the voltage of the source by the Resistance of the circuit | How do you find the current furnished by the source? |
| Additive | In parallel, what is the current? |
| The same | In parallel, what is the voltage? |
| Inversely Additive | In parallel, what is the resistance? |
| The largest | In a parallel circuit, which lightbulb is the brightest? |
| The smallest | In a series circuit, which lightbulb is the brightest? |
| Power | What variable determines the brightness of a lightbulb? |
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