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| The cause of electric fields and currents. Can be positive or negative |
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| A material which allows electric charge to flow |
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| A material which prevents the flow of electric charge |
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| The connection of a conductor to the earth which allows electric charge to flow. |
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| The space around an electric charge in which another charge wil feel a force |
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| The flow of electric charge. From + to - |
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| The unit of electric current |
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| The unit of electric charge |
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| Current which flows in the same direction all the time, such as from a battery. |
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| Current which constantly changes direction of flow eg from the mains. |
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Definition
| Instrument which measures electric current. Must be connected in series |
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| Instrument which measures the voltage (PD) between two points. Must be connected in parallel |
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Definition
| Components connected end to end in a chain |
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Definition
| Components connected in a ladder formation |
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Definition
| The current flowing into any point in a circuit is equal to the current flowing out of it. |
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| The amount of energy transferred per unit charge passed |
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| The amont that a component resists a current |
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Definition
| The current through a metallic conductor is proportional to the voltage across its ends if the temperature and other conditions remain constant. |
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Definition
| Transfers other forms of energy into electrical |
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Term
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Definition
| Transfers electrical energy into other forms |
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