| A | B |
|---|
| AC Power | What form of energy is available from an electrical wall outlet? |
| DC Power | With what form of energy does a mobile device operate? |
| voltage | The amount of work to be done to move a charge from one point to another along an electric circuit measured as a volt. |
| voltmeter | An electrical device that measures voltage. |
| ground | The zero reference for voltage, also referred to as earth. |
| multimeter | An electrical device that typically measures voltage, current, and resistance. |
| resistance | The opposition to current measured as an ohm. |
| series circuit | An electrical circuit that has only one path current. |
| parallel circuit | An electrical circuit that has more than one path current. |
| resistor | An electrical component that opposes current flow. |
| short circuit | An electrical circuit that has a resistance close to zero between the voltage source and ground. |
| An ampere | What is the unit of measurement of current? |
