BASICS OF ELECTRICITY (COSMETOLOGY)

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

• vaporizer

• metal

• nonconductor

• water

What electrical term is abbreviated as AC?

• Alternating current

• Ampere current

• Active current

• Anaphoresis

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 ______________

• 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 _________

• wattage

• voltage

• ampere

• ohm

The term used for measuring how much electric energy is being used in one second is _________

• watt

• voltage

• ampere

• ohm

Which safety devices prevent the overheating of electric wires?

• Fuses and busters

• Fuses and circuit breaker

• 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 calle a(n) ____________

• anode

• cathode

• anion

• cation