問題一覧
1
It temporarily stores electrical energy. It consists if 2 plates separated by an insulator that resists electricity. It collects and holds the charge which can be then released when needed.
Capacitor
2
It makes sound louder. It works by taking a small electrical signal and boosting its strength so it can drive a loudspeaker and produce louder sounds.
Amplifier
3
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joined wires
4
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transformer
5
In a potentiometer, There is a component that moves a wiper along a resistive element. This movement changes the resistance and voltage in a circuit. Moreover, it is commonly used to adjust volume in audio devices or settings in electronics.
knob/slider
6
device that converts electrical energy into mechanical energy to create motion. It is commonly used to power machines and appliances.
motor
7
Safety device that operates to produce protection against the overflow of electrical circuits
fuse
8
.
ammeter
9
Describes a concept or an idea using symbols
pictogram
10
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lamp
11
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wires not joined
12
A tool that measures the electrical resistance
ohm meter
13
Is a glass object that prevents the electricity from escaping.
Bulb
14
Small devices that you put into your ears to listen to sounds. It works by receiving an electrical signal from a device in which it can convert it into sound that you can hear.
earphones
15
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AC voltage source
16
Commonly used in batteries
DC
17
a device that controls the flow of electricity in a circuit, acting as a switch or amplifier.
transistor
18
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amplifier
19
A device that measures the electric current
ammeter
20
.
microphone
21
It is used to measure an unknown voltage by comparing it to the known voltage. It is also a type of resistor that has 3 terminals.
Potentiometer
22
A device that changes the voltage of electricity on an AC
transformer
23
.
fuse
24
Unconnected or seperated wires, typically wrapped by electrical tape so that the electricity cannot escape
wire not joined
25
A thin and flexible strand that conducts electricity.
Wire
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A coiled up wire that creates a magnetic field when electricity passes through it.
Inductor or solenoid
27
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cell/battery
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inductor/solenoid
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capacitor
30
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switch
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earphone
32
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potentiometer
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ohm meter
34
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resistor
35
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diode
36
Two or more wires that are connected together aka the splice
joined wire
37
A small electric device that lights up when electricity flows through it. It’s described to be energy efficient and can last a long time. This is also a type of Diode.
LED, light emitting diode
38
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wire
39
A type of resistor that is used to adjust the level of electric flow in a circuit. An example of it is a dimmer switch on a light fixture.
Rheostat
40
To turn electricity on and off meaning that it controls the flow of electricity in a circuit
switch
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.
rheostat
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Holds a bulb and provides light when a current passes through it.
Lamp
43
Outlets or sockets, this uses AC where in the direction of the flow of electricity switches back and forth at regular intervals or cycles.
AC voltage source
44
A device that converts sound waves to electronic signals. It is used to amplify or record voices. Additionally, it has no vibrating cone.
microphone
45
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LED or light emitting diode
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It plays sound loudly. It converts sound waves to electrical signals. It has a vibrating cone or diaphragm which pushes air to create sound.
loudspeaker
47
It allows the electricity to flow easily in one direction but restricts it to flow in other directions. This component uses DC.
Diode
48
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motor
49
A component that limits the flow of an electric current in a circuit
resistir
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The wire is made up of two things:
the copper (conductor of eletricity) and rubber outer layer (insulator)
51
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loudspeaker
52
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transistor
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volt meter
54
A device that stored and provides electrical energy. Chemical energy gets turned into electrical energy.
Cell or battery.
55
A device that measures the voltage
Voltmeter
56
Commonly used at household appliances as it can be easily transmitted at long distances
AC