Row A
An insulator or _____ is a substance that does not easily transmit electricity
nonconductor
What electrical term is abbreviated as AC?
alternating current
What apparatus changes alternating current (AC) to direct current (DC)?
rectifier
The term used for measuring the strength of an electric current is _______.
ampere
What unit of measure is equivalent to 1/1,000 of an ampere?
milliampere
The term used for measuring the resistance of an electric current is _____.
ohm
The term used for measuring how much electric energy is being used in one second is _____.
watt
Which safety devices prevent the overheating of electric wires?
fuses and circuit breakers
. Which apparatus conducts electric current from an electrotherapy device to the client’s skin?
electrode
A positive electrode is called a(n)______.
anode
Commonly used modalities in beauty and wellness are Tesla high-frequency current, microcurrent, and ______ current.
galvanic
The process of introducing water-soluble products into the skin with the use of electric current is known as ____.
iontophoresis
The current used in facial and scalp treatments is measured in _____.
The current used in facial and scalp treatments is measured in
All electrical appliances used in the salon, spa, or barbershop should be _____ certified
UL
An extremely low level of electricity that mirrors the body’s natural electricity impulses is known as _____.
microcurrent
Treatment by means of light rays is called light____.
therapy
The different types of currents used in facial and scalp treatments are called____.
modalities
The distance between two successive peaks of electromagnetic waves is called ______.
wavelength
Thirty-five percent of natural sunlight is made up of _____
visible light
Ultraviolet rays, also known as cold light, make up ____ percent of natural light.
5
The type of light blocked by the ozone layer is ____.
UVC
UVB is often called the burning light because it is most associated with ______.
sunburns
____are substances that speed up chemical reactions.
Catalysts
A GFI protects from electrical shock by _____ a circuit when there is a leak.
interrupting
If you drop an electrical appliance in water, you should ______.
never use it again