Basic of Electricity Chp 8 Flashcards
an applicator used to direct electric current from one machine to the skin
electrode
rapid and interrupted current flowing first in one direction and then the opposite direction
alternating current
a switch that automatically interrupts or shuts off an electric circuit at the first sign of overload
circuit breaker
device that prevents excessive current from passing through a circuit
fuse
the distance between two successive peaks of electromagnetic waves
wavelength
measures the strength of electric current
ampere
substance or material that conducts electricity
conductor
constant DC current with positive and negative poles that produces chemical changes in tissues and body fluids
galvanic current
currents used in electric facial and scalp treatment
modalities
substances or material that does not easily transfer electricity
insulator
generating original source through the conductors and back, or to the ground
complete electric current
electronic scalp and facial treatment
electrotherapy
unit of power that indicates how much electric energy is used in 1 second
watt
unit of electrical resistance to an electric current
ohm
process used to soften and emulsify oil and blackheads in the hair follicles
desincrustation
form of energy that produces physical magnetic chemical or thermal effects when in motion
electricity
thermal or heat producing current with a high oscillation rate
tesla high frequency current
the flow of electricity along a complete circuit
electric current
a volt messures?
electrical pressure
what is used to change an AC current to a DC current?
a rectifier
the resistance of an electrical current is measured in
ohms
the safety of electrical appliances is certified by?
under writer laboratory
electricity is not what?
matter
GFCI stands for
Ground fault circuit interrupter
what is a substance that easily allows the flow of electricity?
a conductor
what is a current used to operate a typical flash light?
a direct current
what is designed to break or disconnect the current when it detects an overload or short circuit?
a fuse
what is the main purpose of the third prong on a three pronged plug?
for additional ground
what type of current is rapid and interrupted, flowing first in one direction and then in the opposite direction?
alternating current
a complete electrical circuit is a closed loop that conducts electricity and provides a return path for what
the current
the unit that measures the number of electrons that flow through an electric current is?
amp
any substances that does not allow the flow of electricity is an?
insulator
it is recommended that you keep electrical cords off the floor and ?
away from peoples feet
AC stands for?
alternating current
what is used for measuring the strength of an electric current?
amp
milliampere is?
one thousandth of an amp
what measures how much electric energy is being used in one second?
a watt
what conducts electric current to the clients skin?
an electrode
fuses and circuit breakers are a safety device to prevent?
over heating
what is a positive electrode called
an anode
commonly used current modalities use in cosmetology are tesla high frequency, microcurrent and?
galvanic current
what is introducing water soluble products to the skin?
iontoprosis
what is forcing acidic substances deeper into the tissue?
cataphoresis
what softens and emulsifies grease deposits?
desincrustation
microcurrent is extremely low levels of electricity that?
mirrors the bodys natural impulses
what produces thermal or heat producing currents with a high rate of oscillation?
violet rays
what produces moist uniform heat for a facial?
a steamer
a wavelength is?
the distance between two successive peaks
visible light makes up how much of natural sunlight?
35%
ultra violet rays known as cold light make up how much of natural light
5%
what type of UV is blocked by the ozone layer?
UVC
what is used for hair conditioning treatments and to process color?
infrared lamps
laser is an acronym for ?
light amplification stimulation emission of radiation
removing blood vessels, disabling hair follicles and eliminating wrinkles by using?
laser treatments
light emitting diode is known as ?
LED
