Category 1
What electrical term is abbreviated as AC?
What apparatus changes alternating (AC) TO DIRECT CURRENT (DC)?
Rectifier
An insulator or ------ is a substance that does not easily transmit electricity.
Nonconductor
The term used to 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
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
This current used in facial and scalp treatments is measured in--------
Milliamperes
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
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 called the burning light because it is most associated with?
Sunburns
--------- are substances that speed up chemical reactions.
Catalysts
A GFl protects from electrical shock by ------ a circuit when there is a leak.
interrupting
Electricity travels very fast; 186,000 miles (299,388km) per second How many times can it go around the world in a few seconds
8 times
One lightening bolt has enough electricity to service how many homes
200,000 homes
All electrical devices must be ------- certified
UL