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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 |