F7 - Electricity
Across
- 2. When using ___________ current, the active electrode is the electrode used on the area to be treated.
- 5. The unit that measures the pressure or force that pushes the electric current forward through a conductor is a(n)
- 6. Electric ___________ refers to the flow of electricity along a conductor
- 7. The term "alternating" current refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction.
- 9. Electric wires can be covered with a material that does not transmit electricity, such as rubber or plastic coating. This material is known as a(n)
- 10. Which is considered a good conductor
- 11. Catalysts are substances that speed up _________ reactions.
- 13. For safety, use no more than _________ plug(s) in each outlet.
- 14. The unit that measures how much electric energy is being used in one second is a(n)
- 15. The device that prevents excessive current from passing through a circuit is called a(n)
- 16. An apparatus that changes direct current to alternating current is a(n)
- 17. A ___________ is an extremely low level of electricity that mirrors the body's natural electrical impulses
- 18. The negative electrode of an electrotherapy device is called a(n)
Down
- 1. Constant and direct current that has a positive and negative pole and produces chemical changes when it passes through the tissues and fluids of the body is known as __________ current
- 3. A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a(n)
- 4. A wavelength is the distance between successive peaks of ___________ waves.
- 8. All of the electrical appliances you use should
- 12. The movement of electrons from one atom to another along a conductor is called
- 19. Which unit measures the resistance of an electric current?