Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chapter 12 > Chapter 12 Review > Flashcards

Chapter 12 Review Flashcards

1
Q
  1. A complete electrical current is ____ that conducts electricity and provides a return path for the current .?
A

Closed loop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Pure water is a _________
A

Poor conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Insulators are also known as ______
A

NonConductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. Rubber ,silk, ____ glass, and cement are all good insulators
A

Wood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. A substance that does not easily transmit electricity is called ____
A

Insulator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. The flow of electricity in complete electric circuit is called .?
A

Electric current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Any substance that easily allows the flow of electricity with little resistance is known as ____.?
A

Conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Electricity is a_______
A

Form of energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. The movement of particles around an atom that creates pure energy is called _____ .?
A

Electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. The path of an electric current form the generating source through conductors and back to it’s original source is called ______ electrical circuit .?
A

Complete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. A cellphone uses ______ current .?
A

Direct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Rapid and interrupted current , flowing first in one direction and then in the opposite direction is commonly known as ______ current .?
A

Alternating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Paraffin heaters use ______ current .?
A

Alternating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. If you wanted to convert AC current to DC current you would need to use ______ .?
A

A recifier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. The unit that measures the pressure or force that pushes the flow of electrons forward through a complete electric circuit is called .?
A

Volt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. The unit that measures the number of electrons that flow through a complete electric circuit is called .?
A

Ampere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. A measurement of how much electricity is being used in one second is called .?
A

Watt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. Constant even flowing current that travels in one direction only is commonly known as ______ current .?
A

Direct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. What does a light cured nail enhancement use to harden .?
A

UltraViolet

20
Q
  1. Current will not flow through a conductor unless .?
A

The volts are stronger than the ohms

21
Q
  1. The electricity in your house is measured in .?
A

Kilowatt per hour

22
Q
  1. A 75 watt light bulb uses 75 watts of electricity .?
A

Per second

23
Q
  1. The current for facial and scalp treatments is measured in .?
A

Milliamperes

24
Q
  1. A unit that measures the resistance in an electric circuit is called .?
A

Ohm

25
Q
  1. Normal electric wall sockets that power a parrafin heater are ____ volts .?
A

110

26
Q
  1. If you needed to operate a heavey-duty appliance , such as clothes dryer , you would typically need an outlet with a minimum of _____ Volts. ?
A

220

27
Q
  1. A higher amp rating indicates .?
A

Greater number of electrons and stronger current .

28
Q
  1. Which of the following certifies the safety of electrical appliances .?
A

Underwriter’s Laboratory

29
Q
  1. A _____ is a single use safety device designed to provide protection from an electrical overload .?
A

A fuse

30
Q
  1. Strong heat curing monomers in a warm place can result in discoloration and_____ .?
A

Prematurely hardening

31
Q
  1. To reestablish the circuit when a fuse blows , first ______ .?
A

Disconnect all appliances

32
Q
  1. GFCI stands for ______ .?
A

Ground fault circuit interrupter

33
Q
  1. Which connection on an electric plug supples current to the circuit .?
A

Love connection

34
Q
  1. A careless electrical connection and overloaded circuits can result in an electrical shock , a burn , or _____.?
A

A serious fire

35
Q
  1. A circuit breaker will ______ when the circuit overloads .?
A

Automatically shuts off

36
Q
  1. Uv radiation has a shorter wavelength , more _____ and does not penetrate as deeply as visible light .?
A

Energy

37
Q
  1. Car batteries are ____ volts .?
A

12

38
Q
  1. Avoid contact with ____ and metal surfaces when using electrical appliances .?
A

Water

39
Q
  1. Electricity is a flow of _____
A

Electrons

40
Q
  1. A typically flashlight runs on _______.?
A

Direct current

41
Q
  1. All electrical appliances used should be _____ certified .?
A

UL

42
Q
  1. If an electrical plug does not fit into an outlet , you should______ .?
A
43
Q

43 . It is recommended that you use how many plugs per outlet .?

A

One

44
Q
  1. Most ____ are good conductors .?
A

Metals

45
Q

45 . What is the main purpose of the prong and three prong plug .?

A

Provides an additional ground

Chapter 12 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions