Across
- 3. electrical power
- 6. material electric travels through
- 7. electrical current
- 8. a device that opens to protect the transformer
- 9. a switch
Down
- 1. where power comes from
- 2. the part of the circuit where A/C goes back to the source
- 4. a device that increases or decreases voltage
- 5. the source for DC voltage
