Vocab 1
a form of energy that produces light, heat, and magnetic and chemical changes
What is Electricity?
produces heat or warmth on the skin
What is a Thermal or heating effect?
Two things must exist for this to happen, a source and a circuit
What is an electric current?
Current flows in one direction
What is direct current?
safety device that contains a fine metal wire that allows current to flow through it
What is a fuse?
Rate of cycling or frequency
What is Hertz?
produces chemical reactions generated by electricity
What is an Electrochemical effect?
Material that allows a current to pass through it
What is a conductor?
Current flows first in one direction then in the other
What is alternating current?
refers to the positive and negative poles at the end of a circuit
What is polarity
a material that doesn't allow current to pass through it
What is an Insulator?
the use of electricity for therapeutic purposes
What is electrotherapy?
Happens when electricity comes into contact with the human body
What is Electric shock?
uninterrupted direct current
What is Galvanic current?
More current flows than the line is designed to carry
What is an overload?
Unit of electric strength
What is an amp?
The production of beneficial effects through treatments using light.
What is light therapy?
A unit of electric resistance
What is an Ohm?
also known as a smooth wave
What is sinusoidal?
Changes DC to AC
What is an inverter?
A measure of how much electrical energy is being used per second
What is a watt?
a combination of phases that make up a single portion of the waveform
What is a pulse?
a unit of electric pressure
What is a Volt?
changes AC to DC
What is a rectifier?
1000 watts =_______
What is 1 kilowatt?