101875
Description
Flashcards by Ellen Billingham, updated more than 1 year ago
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Created by Ellen Billingham
almost 11 years ago
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| Question | Answer |
| What is current? | The flow of electrons around a circuit |
| What is used to measure current? | An ammeter |
| What unit is current given in? | Amps (A) |
| What is current used for? | It is used to make the components work in a circuit. Eg lighting a bulb |
| What is voltage? | It is the difference in electrical energy between two parts of a circuit. |
| What unit is voltage given in? | Volts (V) |
| What electrical component is used to measure voltage? | A voltmeter |
| Are ammeters connected in series or parallel? | Series |
| Are voltmeters connected in series or parallel? | Parallel |
| In a series circuit, does the current change? | No |
| In a parallel circuit, does the current change in different parts of the circuit? | Yes |
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