Define
Currents
Light
Defintion
100

What is Electricity?

What is ... the movement of electrons from one atom to another along a conductor.

100

What is Galvanic Current?

 A constant and direct current having positive and negative pole , that produces chemical changes when it passes through the tissues and fluids of the body.

100

What are examples of  Invisible light

Ultra violet

Infrared light

100

what is volt

(voltage) is the unit that measures the pressure or force that pushes electric current forward through a conductor

200

What is Non-Conductor

What is... a material that does not transmit electricity

200

What is microcurrent?

an extremely low level of electricity that mirros the bodys natural electrical impulses

200

What is Ultra violet 

 The shortest and least penetrating . 

200

What is Ohm (O)

 a unit that measures the resistance of an electric current.

300

What is Direct Current?

What is ...  a constant, even-flowing current that travels in one direction only and is produced by chemical means.

300

What is flow of direct current?

constant even flow

300

What wavelength does infrared light have ?

  What is ...longer

300

What is watt

 a unit that measures how much electric energy is being used in one second.

400

What is light therapy.

What is...phototherapy, the use of light rays for skin, and hair.

400

What prevents an excessive current?

Fuse

400

What are the three types of UV light 

UVA , UVB, UVC

400

What is Milliampere (mA)

What is 1/1000 of an ampere. Used for facials and scalp treatments.

500

Define difference of UVA, UVB, UVC.

UVA: penetrate directly into the dermis; tanning beds

UVB: Sunburns , burning rays

UVC: Cannot penetrate ozone layer , effective at sterilization.

500

what is light therapy also known as?

phototherapy

500

What is kilowatts

is 1000 watts. 

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