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elec.
| Question | Answer |
|---|---|
| Law of Electric Charges | like charges repel and opposites attract |
| electric force | the force between charged objects |
| conduction | electrons are transferred by direct contact |
| induction | charges in an uncharged object are rearranged without direct contact with a charged object |
| conductor | a material in which charges can move easily |
| insulator | a material in which charges cannot move easily |
| static electricity | buildup of electric charges on an object |
| electric discharge | loss of static electricity as charges move off an object |
| cell | a device that produces an electric current by converting chemical energy into electrical energy |
| battery | converts chemical energy into electrical energy and is made of several cells |
| potential difference | the energy per unit charged |
| photocell | part of a solar panel that converts light into electrical energy |
| thermocouple | thermal energy can be converted into electrical energy |
| current | the rate at which charge passes a given point |
| voltage | difference in energy per unit charge as a charge moves between 2 points |
| resistance | opposition to the flow of electric charge |
| electric power | rate at which work is done |
| circuit | complete closed path through which electric charges flow |
| load | a decive that uses electrical energy to do work |
| series circuit | a circuit in which all parts are connected in a single loop |
| parallel circuit | a circuit in which different loads are located in a different branch |