Electricity Flashcards
What is the distance out which ultraviolet rays should be applied
30-36 inches
During use ______ current has an electrochemical affect
Galvanic
What has a wire or strip that melts when to much current flows which interrupts a circuit in which is connected
Fuse
In physics what has electromagnetic waves in space
Radiation
What percentage of sunlight is made of visible light
0%
What is the unit of electrical resistance
Ohm
The SI unit for measuring the rate of flow of electric charge is the
Ampere
What does grounding do
Safely carries the current to the ground
Electromagnetic radiation is also known as
Radiant energy
What is true regarding incandescent lighting
It is the closest substitute for natural lighting
What is the process of using the positive electrode to force acidic solution to penetrate into the skin without breaking the skin
Cataphoresis
What type of light therapy will penetrate more than 2 inches into the body
Infrared light
The constant unidirectional and even flow of electrical charge is
Direct current
What is the power source most often used in salons
Generator
What is true regarding series wiring
Do user is forced to have all those running at the same time with series wiring
The electrical current measurement used during scalp and facial treatments is
Milliamperes
What changes alternating current to direct current
A rectifier
What controls or regulates the strength of the current used
Rheostat
Different lamps and bulbs will produce varying amounts of UV light depending on their what
Circuitry
What type of electrical affect a hairstylist experience from using electric clipper
Mechanical
How many amps in a circuit does it take to operate an appliance at 100 Watts
1amp
Electrochemical affects happen when an electric current travel through a ______ conductor
Liquid
What is true regarding galvanic current electrotherapy
It should not be used over an area that has many broken capillaries
What does a higher amp signify
A larger flow of charge in a stronger electric current
