Worksheetschapter 13 basics of electricity
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
All the electrical appliances you use should be____________
a)
UL Certified
b)
DOJ Certified
c)
OSHA Certified
d)
Inspected
2.
Read all _____________ carefully before using any electrical equipment.
a)
words
b)
instructions
c)
emails
d)
facebook posts
3.
______________ all appliances when not in use.
a)
dispose
b)
turn on
c)
disconnect
d)
give away
4.
_____________ all electrical equipment regularly.
a)
use
b)
inspect
c)
ignore
d)
throw out
5.
Keep all wires, plugs, and equipment in good ______________
a)
looks
b)
boiled water
c)
repair
d)
disrepair
6.
________________ is a form of energy that produces magnetic, chemical, and thermal effects
a)
outlet
b)
wire
c)
cathode
d)
electricity
7.
A _________________is a substance that permits electrical current to pass through it.
a)
conductor
b)
wire
c)
water
d)
fuse
8.
A positive electrode is called a/an _____________
a)
cathode
b)
anode
c)
ion
d)
outlet
9.
A negative electrode is called a/an ____________________
a)
cathode
b)
anode
c)
ion
d)
outlet
10.
A _______________ is a safety device that prevents excessive current from passing through
a)
ampere
b)
cathode
c)
fuse
d)
outlet
11.
An amp or ______________is the unit of measurement for the amount of current running through a wire.
a)
unit
b)
wattage
c)
ampere
d)
fuse
12.
An _______________ is an applicator that directs the electric current from the machine to the client’s skin.
a)
wand
b)
fuse
c)
ion
d)
electrode
13.
________________ is the process of forcing liquids into the tissues from the negative toward the positive pole.
a)
pushing
b)
modalities
c)
anaphoresis
d)
galvanic
14.
Do not use the negative _____________ current on skin with broken capillaries, acne, or on a client with high blood pressure.
a)
direct
b)
forced
c)
cathode
d)
galvanic
15.
A switch that automatically interrupts or shuts off an electric circuit at the first indication of overload is a_________________
a)
circuit breaker
b)
flipper
c)
fuse
d)
plug
16.
___________ rays make up 60% of natural sunlight
a)
violet
b)
burning
c)
infrared
d)
natural
17.
The negative or positive state of electric current is __________________
a)
polarity
b)
north pole
c)
south pole
d)
polar bear
18.
The process used to soften and liquefy grease deposits in the hair follicles and pores is ___________________
a)
cleaning
b)
disincrustation
c)
comedo
d)
steam
19.
The _______________ current is a thermal or heat-producing current with a high rate of oscillation or vibration
a)
neutral
b)
direct
c)
Tesla high-frequency
d)
UVB
20.
Currents used in electrical facial and scalp treatments is called ________________
a)
tesla high frequency
b)
fuse
c)
electrode
d)
modalities
21.
Sparks are the visual form of electricity.
a)
true
b)
false
22.
Iontophoresis is the process of infusing water-soluble products into the skin with the use of electric current.
a)
true
b)
false
23.
A client with pustular acne is a good candidate for receiving negative galvanic current.
a)
true
b)
false
24.
It is safe to use Tesla high-frequency current on women who are pregnant and clients with high blood pressure
a)
true
b)
false
25.
A Milliampere is One-thousandth of an ampere
a)
true
b)
false
26.
Electrical wall sockets that power your hair dryer and curling iron is 12 volts
a)
true
b)
false
27.
A rapid and interrupted current, flowing first in one direction and then in the opposite direction is alternating current
a)
true
b)
false
28.
The unit that measures the resistance of an electric current is ohm
a)
true
b)
false
29.
A measurement of how much electric energy is being used in one second is a watt
a)
true
b)
false
30.
The unit that measures the strength of an electric current is a volt
a)
true
b)
false
100 %
