Ch. F07: Electricity & Electrical Safety

Which of the following is TRUE of electricity and the beauty and wellness industry?

• Electricity use in the beauty industry is limited to clippers and hair dryers.

• Most of the equipment that beauty professionals deal with is very dangerous.

• Most beauty professionals will not interact directly with electricity.

• Advanced electrical machines require an understanding of electrical theory.

How many of the services that beauty professionals offer their clients are impacted by electricity?

• Only a small handful of them

• About half of them

• Most of them

• All of them

If you were opening a salon or spa, you would need to have a thorough understanding of electricity for all EXCEPT which of the following reasons?

• You will rely on a variety of electrical devices, including lotion and oil heaters.

• You will need to be able to properly care for a variety of electrical devices.

• You will rely on lighting and air temperature controls for the comfort of your clients.

• You will need to be able to quickly repair electrical devices when they malfunction.

Electricity exhibits ________ effects.

• magnetic and thermal

• magnetic

• magnetic and chemical

• magnetic, thermal, and chemical

Electricity (a)   .

• does not occupy space, nor does it have mass

• occupies space and has mass

• occupies space, but has no mass

• has mass, but occupies no space

Copper is used in electrical wiring and electrical motors because (a)   .

• it is a good insulator

• it is a good conductor

• it provides safeguards against electrocution

• it is inexpensive

________ is a good example of a conductor.

• Glass

• Tap water

• Cement

• Rubber

Direct current is BEST differentiated against alternating current by which of the following statements?

• Direct current is the true form of electrical current, whereas alternating current is not.

• Direct current flows in one direction, whereas alternating current flows back and forth.

• Direct current flows back and forth, whereas alternating current flows in one direction.

• Direct current is not truly an electrical current, whereas alternating current is.

10. Alternating current (a)   .

• travels in only one direction

• is most often found in batteries

• is a rapid, interrupted current

• is produced by chemical means

Electrical current is measured by (a)   .

• amperes

• watts

• ohms

• volts