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Physics Ch. 18
Question | Answer |
---|---|
Define electrical potential energy. | Potential energy associated with an object due to its position relative to a source of electric force. |
True or false: Electrical potential energy is a source of mechanical energy. | True. |
Define electrical potential. | The electrical potential energy associated with a charged particle divided by the charge of the particle. |
Define potential difference. | The change in electrical potential energy associated with a charged particle divided by the charge of the particle. |
What is the SI unit for potential difference? | Joule/Coulomb. |
The greater the voltage, the greater the... | Current. |
Potential differences is what type of quantity? | Scalar. |
Define capacitator. | A device used to store an electric charge, consisting of one or more pairs of conductors separated by an insulator. |
Define capacitance. | The ability of a conductor to store energy in the form of electrically separated charges. |