Circuits: Matching
| _____ | switch | 1) energy source for a circuit |
| _____ | battery | 2) measures the potential difference across any two points of a circuit |
| _____ | resistor | 3) ratio of potential energy to current |
| _____ | voltmeter | 4) potential energy per unit of charge |
| _____ | ammeter | 5) converts electric energy into other forms |
| _____ | potential difference | 6) a device for closing and opening a circuit |
| _____ | current | 7) measure the current flowing through a circuit |
| _____ | resistance | 8) a flow of electric charge |
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