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Study Test Guide > Ch 12 The basics of electricity > Flashcards

Ch 12 The basics of electricity Flashcards

1
Q

The movement of particles around an atom that creates pure energy is called

Lightning
Electricity
Energetic flow
Electron flow

A

Electricity

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2
Q

Any substance that easily allows the flow of electricity with little resistance is

Regulator
Insulator
Distractor
Conductor

A

A conductor

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3
Q

The flow of electricity in a complete electric circuit is called

An electric current
An electrical circuit
A, grounded circuit
An energetic current

A

An electric current

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4
Q

Electricity is a form of_but not an element molecule or light

A form of light
A form of energy
A type of element
A type of molecule

A

Energy

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5
Q

A substance that is not easily transmit electricity

A conductor
An insulator
Rectifier
Converter

A

An insulator

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6
Q

Rubber, silk, glass, and_,_are all good insulators
Check

Copper
Water
Wiring
WoOd

A

Cement and wood

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7
Q

Pure water is a_conductor

Good conductor
Poor conductor
Good insulator
Poor insulator

A

Poor

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8
Q

Insulators are also known as_

Chargers
Relays
Non-conductors
Transmitters

A

Non-conductors

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9
Q

A complete electrical current is a _____ that conducts electricity and provides a return path for the current

An open loop
An Open Ring
A figure eight
A closed loop

A

Closed loop 

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10
Q

The path of an electric current from the generating source through conductors and back to its original source is called_electrical circuit

The complete,
an oscillating,
a rectified,
a converted

A

A complete

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11
Q

Constant even flowing current the travels in one direction only is commonly known as

An indirect, a direct, an alternating, a uniform

A

A direct current

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12
Q

Rapid and Interrupted current Flowing first in one direction and then in the opposite direction is commonly known as_

An indirect
an alternating
A uniform
A direct

A

Alternating current

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13
Q

A cell phone uses_current

An indirect, an alternating, a uniform, a direct

A

Direct

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14
Q

Paraffin heaters use_current

A direct,
An alternating, an indirect, a uniform

A

Alternating

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15
Q

If you wanted to convert AC current DC current he would need to use

A rectifier, an insulator, a converter, a conductor

A

A rectifier

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16
Q

The unit that measures the pressure or force that pushes the flow of electrons forward through a complete electric circuit is called

A watt, an ampere, an OHM, a volt

A

A volt

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17
Q

The unit that measures the number of electrons that flow through a complete electric circuit is called

A watt
An OHM, an ampere, a volt

A

An amphere

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18
Q

A measurement of how much electricity is being used in one second is called

A watt, an OHM, an ampere, a volt

A

Awatt

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19
Q

A unit that measures the resistance in an electric circuit is called

An OHM, an ampere, a volt, a watt

A

Ohm

20
Q

A normal electric wall socket the powers a paraffin heater is__v

Nine, 12, 110, 220

A

110 V

21
Q

If you needed to operate a heavy duty appliance such as a clothes dryer you are typically need an outlet with a minimum of_volts

Nine, 121, 12, 220

A

220

22
Q

A higher amp rating indicates

A greater number of electrons and a weaker current, a greater number of electrons and a stronger current, fewer electrons and a weaker current, fewer electrons and a stronger current

A

A greater number of electrons and a stronger current

23
Q

The current for facial and scalp treatments is measured in

Milliamperes, amperes, kilowatts, watts

A

Milliamperes

24
Q

Current will not flow through a conductor unless_ are stronger than _

The volts are stronger than the ohms, the amps are stronger than the volts, the watts are stronger than the amps, the OHM’s are stronger than the watts

A

The volts are stronger than the ohm

25
Q

A 75 W lightbulb uses 75 W of electricity per

Minute, second, hour, day

A

Second

26
Q

The electricity in your house is measured in

Amps per hour, milliamperes per hour, kilowatts per hour, watts per hour

A

Kilowatts per hour

27
Q

What does a light cured nail enhancement use to harden

Heat, evaporation, visible light, UV light,

A

UV light

28
Q

UV radiation has a shorter wavelength more_and does not penetrate as deeply as visible light

Vibration, chemicals, radiation, energy

A

Energy

29
Q

Storing heat curing monomers in a warm place can result in discoloration and premature

Disintegration, less penetration, premature hardening, longer effectiveness

A

Hardening

30
Q

A Carlos electrical connection and overloaded circuit can result in an electrical shock a burn or

Power loss, flickering power, excess static, fire

A

A fire

31
Q

_Is a single used safety device designed to provide protection from an electrical overload

Fuse, circuit breaker, rectifier, converter

A

A Fuse

32
Q

To reestablish the circuit when a fuse blows first

Check all connections, disconnect, all appliances, check all insulation, insert a new fuse

A

Disconnect all appliances

33
Q

A circuit breaker will_when the circuit overloads

Reduce power, melt, blowout, shut off

A

Shut off

34
Q

GFCI stands for

General Ferratic current interrupter, ground fault circuit interrupter,
ground fault, circuit, ensure, greater frequency current interrupter

A

Ground fault circuit Interrupter

35
Q

Which of the following certifies the safety of electrical appliances

Underwriters laboratories, Better Business Bureau, OSHA, electrical engineers, organization

A

Underwriters laboratories

36
Q

Wich connection on an electric plug supplies current to the circuit

The ground connection, the safety connection, the life connection, the open connection

A

The live connection

37
Q

All electrical appliances used should be_certified

A

UL

38
Q

It is recommended that you use how many plugs per outlet

A

One

39
Q

If an electrical plug does not fit into an outlet you should

A

Find a different outlet that accommodates the plug

40
Q

Electricity is the flow of_

Neutrons
Protons
Electron
Positrons

A

Electrons

41
Q

Most_are good conductors

A

Metals

42
Q

Atypical flashlight runs on

A

Direct current

43
Q

Car batteries are_volts

Nine, 12, 110, 220

A

12

44
Q

Avoid contact with_and metal surfaces when using electrical appliances

Plastic, rubber, cement, water

A

Water

45
Q

What is the main purpose of the third prong on a three prong plug?

To provide an additional ground, to serve as a reserve ground, to prevent disconnection, to increase the electrical flow

A

To provide an additional ground

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