Ch.F07 Electricity and 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 _________

• 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 _________

• 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

________ is a good example of an insulator

• Tap water

• Wood

• Steel

• Copper

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 flow in one direction

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

Alternating current _________

• travels in only one direction

• is most often found in batteries

• is a rapid, interrupted current

• is produced by chemical means