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10 Cards in this Set
- Front
- Back
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Electric current: |
Continuous flow through a material |
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Conductor |
A material through which charges can flow easily (Copper, Aluminum, Iron, Silver, Metal) |
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Insulator |
A material through which charges cannot flow easily (Plastic, Glass Rubber, Wood, cloth) |
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Electric circuit |
Complete unbroken path through which electric charges can flow |
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Voltage |
causes current in an electric circuit |
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Voltage source |
Source of energy such as a battery generator to maintain voltage |
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Features of a circuit |
Devices run by electrical energy (Resistors - light bulb, speaker, T.V.)Source of electrical energy (Battery, generator, power plant)Connected by conducting wires |
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Series circuit |
Only one path for current to take When one bulb goes out they all go out When you add more bulbs they get dimmer |
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Parallel circuit |
several paths you can take When one bulb goes out the others stay lit Brightness of light bulb does not change |
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Switch |
a device used to open or close a circuit |
