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Basic Of Electricity 3
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Avg score: 66% • Most missed: “The unit that measures the amount of electric current is a(n)”
Basic Of Electricity 3
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25 Questions

1. Tesla high frequency current should not be used on clients who pregnant - suffer from epilepsy or asthma - high blood pressure - sinus blockage - pacemaker or metal implants

2. The device that prevents excessive current from passing through a circuit is a (n)

3. Is a measurement of how much electric energy is being used in one second

4. A rapid and interrupted current that flows in one direction then in the opposite direction is :

5. The most commonly used modality that is a constant and direct current is:

6. Meaning Alternating Current

7. Ultraviolet (UV) rays are also referred to as

8. A thermal or heat- producing current with a high rate of oscillation that is used for scalp and facial treatments is :

9. Makes up 5% of natural sunlight

10. Visible light - the part of the electromagnetic radiation spectrum that we can see - makes up what percentage of natural sunlight ?

11. The unit that measures the amount of electric current is a(n)

12. The unit that measures the pressure or force that pushes the flow of electrons through a conductor is a (n)

13. Electric wires are usually covered with a rubber substance that is used as an insulator or:

14. Is a unit that measures the resistance of an electric current

15. The negative electrode of an electrotherapy device is called a (n)

16. Indicates the negative or positive pole of an electric current

17. Electricity is described as a form of:

18. The process of forcing water- soluble products into the skin with the use of electric current is called :

19. Is a thermal or heat - producing current with a high rate of oscillation or vibration

20. Electric current that is constant - even - flowing and travels in one direction is:

21. Prevents current from overload or excessive overload of circuit

22. To avoid damage to the eyes of a client or practitioner when using light therapy treatments - the eyes should be protected with saturated cotton pads or:

23. Amp

24. The unit that measures how much electric energy is being used in one second is a (n)

25. Metals used in electric wiring and motors are materials that are considered good electricity:

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