Category 1
When electricity is in motion it exhibits magnetic, _________, or thermal effects.
chemical
What are two types of electric current?
Direct and alternating
What unit measures the strength of electric current?
Ampere
When working with electricity, appliances with a _______ offer the most protection for you and your clients.
three-prong plug
The negative or positive pole of an electric current is referred to as the _________.
polarity
what is the movement of electrons from one atom to another along a conductor?
Electricty
Which phrase best describes direct current?
Produced by chemical means
The current for facial and scalp treatments is measured in _____________.
milliampres
all the electrical appliances you use should be ______ certified.
UL
A positive electrode is called a(n) ______________.
anode
Which material is a good conductor of electricity?
Copper
Rapid and interrupted current that flows in one direction and then in the opposite direction is known as ____________ current.
alternating
What unit measures the resistance of an electric current?
Ohm
The use of electrical currents to treat the skin is commonly referred to as ________.
electrotherapy
What is the process of infusing water-soluble products into the skin using the electric current?
Iontophoresis
What is another name for materials that are nonconductors such as rubber, silk, wood, and glass are common examples of?
insulators
The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) _________________.
volt
A measurement of how much electricity is being used in one second is a(n) _______.
watt
Currents used in electrical facial and scalp are called__________.
modalities
Cataphoresis forces acidic substances into deeper tissues using galvanic current from the ________.
positive toward the negative pole
The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____________ electric circuit.
complete
Normal electric wall sockets that power a hair dryer or curling iron are __________ volts.
120
A special device that prevents excessive current from passing through a circuit is a(n) _________.
fuse
An applicator that directs electric current from a machine to the client's skin is a(n) ____________.
electrode
What term refers to a form of anaphoresis used to teat acne, milia, and comedones?
desincrustation