A
B
C
D
E
100

what electrical term does AC stand for?

alternating current 

100

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

watt

100

a positive electrode is called a ___________

anode

100

If you drop an electrical appliance in water, you should put it in rice to dry the water out

False
100

Light therapy is a treatment by means of using ___________

light rays

200

what is a substance that does not easily transmit electricity

insulator/nonconductor 

200

a rectifier changes ________ current to _________ current 

alternating to direct

200

Ohm measures the ________ of an electric current 

resistance 

200

what do we call the apparatus that conducts electric current from a electric device to the clients skin 

electrode

200

commonly used modalities in beauty and wellness are Tesla high frequency current, microcurrent and _________ current.

galvanic 

300

what measures the strength of an electric current?

ampere 

300

which safety devices prevent the overheating of electric wires

fuses and circuit breakers 

300

what unit of measure is equivalent to 1/1000 of an ampere

miliampere

300

Iontophoresis is the process of introducing _______ products into the skin.

water soluble 

300

an extremely low level of electricity that mirrors the bodys natural electricity impulses is known as ________

microcurrent 

400

the current used in facial and scalp treatments is measured in _______

milliamperes

400

the different types of currents used in facial and scalp treatments are called ________ 

modalities 

400

The distance between two successive peaks of electromagnetic waves is called __________ 

wave length 

400

ultraviolet rays, also known as ________ make up 5% of natural lgiht

cold light 

400

The type of light blocked by the ozone layer is ______

UVC

500

what percentage of natural sunlight is made up of visible light 

35%

500

_______ is often called the burning light because it is most associated with sunburns

UVB

500

__________ are substances that speed up chemical reactions

catalysts

500

A GFI protects you from electrical shock by doing what to a circuit when there is a leak?

Interrupting 

500

all electrical appliances used in the salon, spa, or barbershop should be _________ certified

UL