Across
- 2. when 2 cells are connected next to each other
- 4. the output of a bulb when a circuit is witched on
- 5. a flow of electricity
- 6. a device that measures voltage
- 7. a material that lets electricity pass through it
- 10. "several cells can be used as ______ to be electrical systems"
- 11. used to measure current
- 12. two or more cells
Down
- 1. input device that supply electrical energy when rotated
- 3. the flow of charged particles from one point to another
- 8. opposite of input
- 9. something that slows down/uses up electricity