SF2-Ch5 Electricity
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20 terms
Terms | Definitions |
|---|---|
 Proton | Sub-atomic particle with positive charge |
| Electron | Sub-atomic particle with negative charge |
| Positive charge | Something with more protons than electrons has a....? |
| Electrostatic forces | Forces which control whether objects are attracted or repled |
| Induced | Charges which are caused by another object are what charges? |
| Ohms | Resistance is measured in .....? |
| Voltmeter | A device used to measure voltage |
| Ammeter | A device used to measure amperes |
| Electric field | A ..... surrounds a charge? |
| Van de Graaff | A ..... generator builds up static electricity? |
| Coulomb | A ..... is a 'packet' of charges? |
| Battery | A group of cells is a....? |
| Wet | A .... cell is two plates dipped in acid? |
| Dry | A....cell contains a chemical paste |
| Solar | A photovoltaic cell is also known as a ..... cell? |
| Semiconductor | A .... , such as silicon, exists in a solar cell. |
| Conductor | Something that allows electricity to flow through it. |
| Insulator | Something that does not allow electricity to flow through it. |
| Tungsten | The metal that is used in lightbulbs as a filament |
| Parallel | Christmas tree lights are usually made in a .... circuit |
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