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Yr 9 Physics
Term | Definition |
---|---|
static electricity | A buildup of charges on an object. |
electric current | The continuous flow of electric charges through a material. |
battery | A combination of two or more electrochemical cells in series. |
circuit | Includes a power source |
electrical cell | A single electro-chemical energy source. |
ammeter | measures the current flow (of electrons) |
voltmeter | device used to measure voltage |
resistor | An electrical device that resists the flow of electrical current (eg light bulb) |
switch | A device to open or close a circuit - controls the flow of electrons |
electrical charge | a fundamental property of matter that can be either positive or negative. |
electrode | A metal strip that conducts electricity |
cathode | Negative electrode |
anode | Positive electrode |