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WorksheetsCH 13 Electricity Senior Test
Total questions: 30
Worksheet time: 3600secs
Name
Class
Date
1.
An insulator or_________ is a substance that does not easily transmit electricity
a)
vaporizer
b)
metal
c)
nonconductor
d)
water
2.
What electrical term is abbreviated as AC?
a)
Alternating current
b)
Ampere current
c)
Active current
d)
Anaphoresis current
3.
What apparatus changes alternating current (AC) to direct current (DC)?
a)
Inductor
b)
Rectifier
c)
Generator
d)
Transformer
4.
The term used for measuring the strength of an electric current is___________ .
a)
wattage
b)
voltage
c)
ampere
d)
ohm
5.
What unit of measure is equivalent to 1/1,000 of an ampere?
a)
Microampere
b)
Milliampere
c)
Kiloampere
d)
Centiampere
6.
The term used for measuring the resistance of an electric current is_____________ .
a)
wattage
b)
voltage
c)
ampere
d)
ohm
7.
The term used for measuring how much electric energy is being used in one second is ________.
a)
watt
b)
voltage
c)
ampere
d)
ohm
8.
Which safety devices prevent the overheating of electric wires?
a)
Fuses and busters
b)
Fuses and circuit breakers
c)
Circuit breakers and volts
d)
Fuses and conductors
9.
Which apparatus conducts electric current from an electrotherapy device to the client’s skin?
a)
Moderator
b)
Converter
c)
Electrode
d)
Rectifier
10.
A positive electrode is called a(n) _________.
a)
anode
b)
cathode
c)
anion
d)
cation
11.
Commonly used modalities in cosmetology are Tesla high-frequency current, microcurrent, and______________.
a)
electrode
b)
galvanic current
c)
cathode
d)
anode
12.
The process of introducing water-soluble products into the skin with the use of electric current is known as _______________.
a)
iontophoresis
b)
desincrustation
c)
megaphoresis
d)
cataphoresis
13.
What process forces acidic substances into deeper tissues using galvanic current from the positive toward the negative pole?
a)
Anaphoresis
b)
Betaphoresis
c)
Megaphoresis
d)
Cataphoresis
14.
14. The process used to soften and emulsify grease deposits and blackheads in the hair follicles is called ____________.
a)
iontophoresis
b)
desincrustation
c)
cataphoresis
d)
anaphoresis
15.
An extremely low level of electricity that mirrors the body’s natural electricity impulses is known as _______________.
a)
galvanic current
b)
Tesla high-frequency current
c)
microcurrent
d)
direct current
16.
What is a thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments?
a)
Direct ray
b)
Indirect ray
c)
Violet ray
d)
White ray
17.
An instrument producing moist, uniform heat that can be applied to the head or face is called a _____________.
a)
plastic cap
b)
heating cap
c)
steamer
d)
humidifier
18.
The distance between two successive peaks of electromagnetic waves is called ______________.
a)
frequency length
b)
wavelength
c)
low frequency
d)
wave distance
19.
Thirty-five percent of natural sunlight is made up of ________________ .
a)
therapeutic light
b)
ultraviolet light
c)
visible light
d)
infrared light
20.
Ultraviolet rays, also known as cold light, make up __________percent of natural light.
a)
5
b)
10
c)
30
d)
60
21.
The type of light blocked by the ozone layer is ______.
a)
UBA
b)
UVB
c)
UVC
d)
ULV
22.
Infrared lamps are primarily used during hair conditioning treatments and to_______________ .
a)
remove wrinkles
b)
increase circulation
c)
diminish lesions
d)
process haircolor
23.
Laser is the acronym for_____________ .
a)
Laser Amplification Stimulation Emission of Radiation
b)
Light Amplification Stimulation Emission of Radiation
c)
Light Advancement Synchronous with Effective Rays
d)
Laser Administered with Structured Electric Radar
24.
Removing blood vessels, disabling hair follicles, and eliminating some wrinkles may be accomplishedusing various __________________ treatments.a. UVB raysb. UVA raysc. Tesla d. laser
a)
UVB rays
b)
UVA rays
c)
Tesla
d)
laser
25.
LED is the abbreviated version of , which is used in treatments to reduce acne and increaseskin circulation.a. light-efficient diodeb. long-electric diodec. light-emitting diode d. laser-effective desincrustation
a)
light-efficient diode
b)
long-electric diode
c)
light-emitting diode
d)
laser-effective desincrustation
26.
The movement of electrons from one atom to another along a conductor is called ___________.
a)
an electric charge
b)
electricity
c)
energy flow
d)
sparks
27.
Electric wires can be covered with a material that does not transmit electricity such as rubber, or plastic coating. This material is known as __________.
a)
an insulator
b)
a conductor
c)
a circuit
d)
a fuse
28.
An apparatus that changes direct current to alternating current is _____________.
a)
a rectifier
b)
a circuit breaker
c)
an inverter
d)
a fuse box
29.
The device that prevents excessive current from passing through a circuit is called __________________.
a)
a fuse
b)
a battery
c)
a kilowatt
d)
an ampere
30.
The negative electrode of an electrotherapy device is called __________.
a)
an anode
b)
an electron
c)
a carbide
d)
a cathode
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