Electricity 1
Materials that allow electricity to move through it easily
What is a conductor
Materials that do not allow electricity to move through them easily
What is a insulator or nonconductor
This current is produced by a chemical mean
What is a direct current
The flow of electrons is called
Current
replaced fuses, automatically shuts off an electric circuit at the first indication of an overload
What is a circuit breaker
Plastic, glass, and rubber are good examples of
What are insulators?
These are the two types of electric current
What are direct and alternating currents
Rapid and interrupted current, flowing first in one direction and then in the opposite direction
What is a alternating circuit
measures strength of an electric current
What is a Amp
1,000 watts
What is a kilowatt
What is the unit for voltage?
What is an Volt?
metal, copper, water
What are conductors
Electric wall sockets that power a hair dryer or curling iron are how many volts?
What is 120 volts
An electrical safety device that prevents excessive current from passing through a circuit, it's designed to blow out or melt when the wire becomes too hot from overloading the circuit with too much current
What is a fuse
appliances with this type of plug offer the most protection for you and your clients
What is 3-prong
the movement of electrons from one atom to another along a conductor
What is electricity
A constant, even-flowing current that travels in one direction only
What is a direct current
The unit that measures the pressure or force that pushes electricity through a conductor
What is a volt
measurement of how much electric energy is being used in one second
What is a watt
Form of energy that when in motion exhibits magnetic,chemical, or thermal effects
What is electricity
Another name for materials that aren't conductors
What is a Insulator?
A path of an electric current from the generating source through the conductors and back to the original source
What is a complete circuit
The current used to measure facial and scalp treatments
What is milliamperes
Unit that measures resistance of an electrical current
What is ohm
All electrical appliances you use should be certified by
What is UL (Underwriters Laboratories)