140

Question 1

Electricity

Answer 1

Movement of electrons from 1 atom to another along a conductor

Question 2

Electric current

Answer 2

Flow of electricity along a conductor

Question 3

Conductor

Answer 3

Any material that conducts electricity

Question 4

Nonconductor

Answer 4

Insulator: doesn’t transmit electricity ex. Rubber, glass, cement

Question 5

Complete electric circuit

Answer 5

Path of positive and negative electric currents mo omg from the generating source through conductors

Question 6

Direct current

Answer 6

Constant flow of even current going in 1 direction and is produced by chemical means

Question 7

Inverter

Answer 7

Apparatus that changes direct current to alternating current ex. Car phone charger

Question 8

Alternating current

Answer 8

Rapid and interrupted current flowing first in one direction and then the opposite. Ex. Table lamp

Question 9

Rectifier

Answer 9

Apparatus that changes alternating current to direct current ex. Cordless clippers

Question 10

Volt

Answer 10

Unit that measures the pressure or force that pushed electric current forward through a conductor

Question 11

Ampere/amp

Answer 11

Measures strength of electric current

Question 12

Milliampere

Answer 12

Current used for facial and scalp treatments (1/1000 of an amp)

Question 13

Ohm

Answer 13

Measures resistance of electric current. Volt must be stronger than the ohm

Question 14

Watt

Answer 14

Unit measures how much electric energy is being used in 1 second

Question 15

Kilowatt

Answer 15

1000 watts- kilowatts measures per hour

Question 16

Fuse

Answer 16

Prevents excessive current from passing

Question 17

Grounding

Answer 17

Completes an electric circuit

Question 18

Ground fault interrupters

Answer 18

Designed to protect from electrical shock

Question 19

Modalities

Answer 19

Currents used in electrical facial and scalp treatments

Question 20

Electrode

Answer 20

Probe- applicator for directing electric current from an electro therapy device to the clients skin

Question 21

Polarity

Answer 21

Negative or positive of an electric current

Question 22

Positive electrode

Answer 22

Anode

Question 23

Negative electrode

Answer 23

Cathode

Question 24

Galvanic electrode

Answer 24

Constant and direct current having a positive and negative pole that produces chemical change

Question 25

Active electrode

Answer 25

Used on the treated area

Question 26

Inactive electrode

Answer 26

Opposite pole from the active electrode

Question 27

Corded hair dryers runs on what kind of current

Answer 27

Alternating current

Question 28

UVB associated with?

Answer 28

Sunburns