Milady Foundations Chapter 7—Electricity & Electrical Safety

An insulator or (a)   is a substance that does not easily transmit electricity.

• vaporizer

• metal

• nonconductor

• water

What electrical term is abbreviated as AC?

• a. alternating current

• b. ampere current

• c. active current

• d. anaphoresis current

What apparatus changes alternating current (AC) to direct current (DC)?

• inductor

• rectifier

• generator

• transformer

The term used for measuring the strength of an electric current is (a)   .

• wattage

• voltage

• ampere

• ohm

What unit of measure is equivalent to 1/1,000 of an ampere?

• microampere

• milliampere

• kiloampere

• centiampere

The term used for measuring the resistance of an electric current is (a)   .

• wattage

• voltage

• ampere

• ohm

The term used for measuring how much electric energy is being used in one second is (a)   .

• watt

• voltage

• ampere

• ohm

Which safety devices prevent the overheating of electric wires?

• fuses and busters

• fuses and circuit breakers

• circuit breakers and volts

• fuses and conductors

Which apparatus conducts electric current from an electrotherapy device to the client's skin?

• moderator

• converter

• electrode

• rectifier

A positive electrode is called a(n) (a)   .

• anode

• cathode

• anion

• cation