Ch. 6: Electricity Flashcards
(160 cards)
A ____ is a measure of how much electrical energy is being used.
watt
Electricity is a form of energy that produces light, ___, magnetic and ___ changes.
light, heat, magnetic and chemical changes
The flow of electricity moving along a conductor is called a(n)
electric current
The application of special currents (or modalities) that have certain effects on the skin is called _____.
electrotherapy
The 4 types of current you need to be familiar with include Galvanic, High Frequency, Faradic, ____.
Sinusoidal
A current conductor that is used to bring the current from the appliance to the client’s skin is called a(n) ____.
electrode
A special appliance used to convert alternating current to direct current is called a(n) ____.
rectifier
The use of a negative electrode with a negatively charged solution to perform desincrustation treatment is called ____.
anaphoresis
The use of a positive electrode with a positively charged solution to perform iontophoresis treatment is called ____.
cataphoresis
High Frequency Current is also referred to as…
Tesla Current
When the skin care specialist uses an electrode in direct contact with the client’s skin, it is referred to as…
Direct High Frequency
The formation of ozone to produce a germicidal effect on the skin is known as…
Direct High Frequency
The electric current in which electrons move at an even rate and flow only in one direction is called a…
direct current
A rapid oscillating cycle that alternates back and forth allowing electrons to flow first in one direction and then in the other is a(n)…
alternating current
When a generator alternates current, the number of cycles per second is called the…
hertz rating
Materials that do not allow a current to pass through them are called ____.
insulators
How many milliamperes equal one ampere?
1000
A volt measures the amount of electric ____.
pressure
A unit of electrical resistance is called a(n) ____.
ohm
A path in which the electricity leaves the source and travels to an appliance to power it is a(n)…
closed path
More current flowing through a line than the line is designed to carry is called a(n) ____.
overload
What can occur any time a foreign conductor comes in contact with a wire carrying current to a load?
short circuit
Two metal pieces that make contact with each other to allow the flow of electric current are found on a(n)…
circuit breaker
A safety device designed to protect the user during the operation of appliances is a…
grounding wire