Foundations Ch. 7 Electricity and Electrical Safety

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

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

• Advanced electrical machines require an understanding of electrical theory

• Most beauty and wellness professionals will not interact directly with electricity

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

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

• About half of them

• Most of them

• Only a small handful of them

• All of them

If you were opening a 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 rely on lighting and air temperature controls for the comfort of your client

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

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

Electricity exhibits ___ effects

• Magnetic

• magnetic and chemical

• magnetic, thermal, and chemical

• magnetic and thermal

Electricity ___.

• has mass, but occupies no space

• occupies space but has mass

• occupies space, but has no mass

• Does not occupy space, nor does it have mass

Copper is used in electrical wiring and electrical motors because ___.

• It is good conductor

• It is a good insulator

• It provides safeguards against electrocution

• It is inexpensive

____ is a good example of a conductor.

• Rubber

• Cement

• Tap Water

• Copper

____ is a good example of an insulator.

• Steel

• Wood

• Tap Water

• Copper

Direct Current is the 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 in 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.

Alternating current ____.

• travels in only one direction

• is a rapid, interrupted current

• is produced by chemical means

• is most often found in batteries