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CA Cosmetology state Board exam 2022 > Electricity > Flashcards

Electricity Flashcards

1
Q

 A _____ Is a device which has a wire or strip that melts when to much current flows, which interrupts the circuit in which it is connected

A

Fuse

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2
Q

During use, _____ Current has an electrochemical effect

A

Galvanic

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3
Q

When water soluble products are introduced into the skin by using electric current, the process is known as

A

Iontophoresis

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4
Q

Which of the following is true regarding series wiring

A

 The user is forced to have all loads running at the same time with series wiring

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5
Q

Which of the following is true regarding galvanic current electrotherapy

A

It should not be used over an area that has many broken capillaries

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6
Q

The underwriters laboratory (UL) certification

A

Ensures the safety of an electrical appliance

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7
Q

Different lambs and bulbs will produce varying amounts of UV light depending on their

A

Circuitry

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8
Q

What is the process of using the positive electrode to force acidic solution to penetrate into the skin without breaking the skin

A

Cataphoresis

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9
Q

Which of the following is true regarding grounding

A

It safely carries current to the ground

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10
Q

Current will not flow through a conductor unless the force is stronger than

A

The ohms

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11
Q

Which type of light therapy will penetrate more than 2 inches into the body

A

Infrared

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12
Q

Which of the following is a unit of electrical resistance

A

Ohm

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13
Q

The constant unidirectional And even flow of electrical charge is

A

Direct current

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14
Q

Electrochemical affects happen when an electric current travels through a___conductor

A

Liquid

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15
Q

The SI Unit for measuring the rate of flow of electrical charge is the

A

Ampere

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16
Q

During___, both the client and the cosmetologist need to wear protective eyewear during treatment

A

Ultraviolet light (uv)therapy

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17
Q

How many amps in the circuit does it take to operate an appliance at 100 watts

A

1 amp

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18
Q

Which of the following are examples of liquid conductors

A

Bodily fluids, liquids where ions are present, and alkali solutions

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19
Q

Normally, electric wires are enclosed by a rubber material used for the purpose of insulation or for being

A

Nonconductor

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20
Q

A _____ Changes alternating current and direct current

A

Rectifier

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21
Q

A ____ Is a device that controls or regulates the strength of the current used

A

Rheostat

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22
Q

Which of the following can conduct an electric current

A

The human body, carbon, and salts

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23
Q

A short circuit could occur when

A

A foreign conductor comes into contact with a wire that is caring currents, and appliance is dropped in water, or two cords or bend and twist it enough to break the copper wires in the cords

24
Q

A wavelength with low frequency has

A

A smaller number of waves

25
Which describes an insulator
Material which resist the transmission of electricity | 
26
Heat, white, chemical and magnetic changes are produced by
Electricity
27
Of the following which is an example of closing a circuit
flipping on the light switch
28
Appliances for other countries have different capital HZ ratings and cannot be operated in the US without a/an
Adapter
29
Electromagnetic radiation is also known as
Radiant energy
30
In physics,___is/are electromagnetic waves in space
Radiation
31
Which of the following applies to Cataphoresis
Soothing to nerves, slows the flow of blood, and decreases the redness of simple blemishes
32
Electricity is a form of
Energy
33
When the movement or flow of electric current periodically reverses direction, it is
Alternating current
34
_____ Is the distance at which ultraviolet rays should be applied
30 to 36 inches
35
The three types of electrically powered equipment used in a salon are either mechanical, thermal or
A combination of mechanical and thermal
36
The flow of electric charge in a conductor such as wire is
Electric current
37
Which of the following best describes a circuit breaker
A device that breaks the flow of current when an overload takes place
38
If a fuse becomes___, it is possible that there are too many appliances on one circuit
Overloaded
39
Which of the following is true regarding infrared rays
They are invisible and they are pure heat rays
40
What percentage of sunlight is made of visible light
None of the choices listed
41
Which is true regarding incandescent lighting
It is the closest substitute for natural lighting
42
Do you know a measurement for how much electric energy is used in a second, is named after James
Watt
43
What is the power source that is used the most often in salons
Generator
44
A ____ can be used to break white light down into its individual wavelengths, or spectral colors
Prism
45
Electricity is the mobility and flow of___between atoms
Electrons
46
What does a higher amp signify
A larger flow of charge and a stronger electric current
47
The part of the electromagnetic spectrum which humans can view is known as
Visible
48
Skin cancer can result from overexposure to
Ultraviolet
49
____are an Example of solid conductors
Metals
50
Tesla current therapy is believed to
Increase metabolism rate, increased sebaceous gland activity, and improve blood circulation
51
Which type of current creates chemical changes  By passing the current through special alkaline or acid solutions and/or passing the current through human body fluids and tissues
Galvanic
52
Which of the following will cause muscle contractions and burns when passing through a small part of the body
Local shock 
53
The electrical current measurement used during scalp and facial treatment is
Milliamperes
54
Which type of electrical effect do hairstylist experience from using an electric clipper
Mechanical
55
Which of the following should be done when installing a new fuse
Make sure all appliances operating on that circuit are turn off and remove the blown fuse then replace it with a new fuse

CA Cosmetology state Board exam 2022 (4 decks)

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