Easy
The flow if electricity alongba conductor is known as a
What is electrical current
Rubber or silk may serve as a
What is a insulator
A metal, such as copper wore, serves as a
What is a conductor
And adjustable resistor that is used for controlling the current in a circuit Is called a
What is a rheostat
A _________ current is constant, even flowing current that travels in one direction
WHAT IS DIRECT
A __________ is an apparatus that changes direct current to alternating current
What is a converter
Electric clippers and hair dryers are examples of barbering tools that use
What is alternating current
The unit of electrical pressure, which pushes the flow of electrons through a conductor, is
What is volt
The ampere is the unit for measuring the _____________ of an electric current
What is Strength
The ohm is the unit of electrical
What is resistance
The current used in facial and scalp treatments is measured in
What is milliampere
A _________ is a safety device that prevents excessive current from passing through a circuit
What is fuse
All electrical appliances used 8n the barbershop should be
What is UL certified
The different types of currents used in facial and scalp treatments are called
What are modalities
A _________ is an applicator that directs electric current from the machine to the client's skin
What is electrode
The high frequency current commonly used in barbershops is the
What is tesla current
High frequency electrodes are made of ___________ or metal
What is Glass
Treatment by means of light rays is called
What is phototherapy
Visible light makes up about __________ percent of natural light
What is 35
___________ rays are used in tanning booths and penetrate deeply into skin tissue
What are UVA
The light that produces germicidal and chemical benefits is
What is white
The light that produces heat and creates a stimulating effect
What is red light
Ultraviolet rays produce __________ effects
What is germicidal
Ultraviolet rays are applied __________inches from the skin
What is 30 to 36
On average, infrared rays are applied ___________ inches from the skin
What is 30