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Physics Review
Gr.9 Applied Physics Review (Applied)
| Term | Definition |
|---|---|
| Potential Difference | The difference in energy between charge plates per charge. |
| Volts | The unit used for potential difference. |
| Voltmeter | A device used to measure voltage |
| Ammeter | A device used to measure current |
| Ampere | The unit used to measure current |
| Current | The amount of charge that passes a certain point in a wire per second. |
| Resistance | A property of a material to hinder the motion of electrons. |
| Resistor | A device used in a circuit to decrease the amount of current. |
| Short Circuit | When too much current goes through a circuit and it catches on fire. |
| Load | A device in a circuit that converts electrical energy into another form of energy. |
| Ohms | The unit used for resistance. |
| Conductor | A material that allows electricity to flow through it easily. |
| Insulator | A material that does not allow electricity to flow through it that easily. |
| Grounding | The process of connecting an object to the ground in order to neutralize it. |
| Humid | A term that describes alot of water vapour in the air. |
| Induction | The term that describes when a charged object causes electrons to move to one side of an object of a neutral object when brought near it. |
| Friction | Charging two neutral objects by rubbing them together. |
| Percent Efficiency | output energy/input energy |