Across
- 3. used for controlling current in a curcuit
- 4. neg or pos pole of electric current
- 5. changes DC to AC
- 7. keeps excessive current from passing through circuit
- 8. unit for measuring strength of electric current
- 11. aka phototherapy
- 13. aka violet ray
- 14. does not easily transfer electricity
Down
- 1. used in electric facial & scalp treatments
- 2. unit of power
- 6. electronic scalp and facial treatments
- 9. unit of electrical resistance
- 10. changes AC to DC
- 12. unit of electrical pressure