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Engineering GCSE > Electronic component identification > Flashcards

Electronic component identification Flashcards

Identify and have knowledge of electronic components and symbols

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1
Q

This is a battery. What does it do?

A

A battery is a collection of cells, used to provide power to a circuit.

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2
Q

Name the component.

A

Battery

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3
Q

Name the component.

A

Battery

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4
Q

This is a variable resistor. What does it do?

A

A Variable Resistor is a resistor whose resistance can be changed. It can be used to control the current in a circuit.

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5
Q

Name the component.

A

Variable Resistor

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6
Q

Name the component

A

Ammeter

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7
Q

Name the component

A

PNP Transistor

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8
Q

This is a PNP Transistor. What does it do?

A

A PNP Transistor is an electronic switch. It can be used as part of an amplifier to boost the power of an output device.

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9
Q

Name the component

A

PNP Transistor

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10
Q

This is an ammeter. What is it used for?

A

An ammeter is measuring instrument used to measure the electric current in a circuit.

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11
Q

Name the component

A

Ammeter

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12
Q

Name the component

A

Antenna

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13
Q

This is an antenna. What does it do?

A

An antenna converts electrical signal into radio waves and vice versa.

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14
Q

Name the component

A

Bell

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15
Q

This is a bell.

A

A bell is an electrical signalling device.

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16
Q

This is a buzzer. What does it do?

A

A buzzer turns electricity into sound. It makes simple buzzing noises only.

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17
Q

Name the component

A

Buzzer

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18
Q

This is a capacitor. What does it do?

A

A capacitor is used to store charge. It can be used in conjunction with a resistor to provide a simple timing circuit.

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19
Q

Name the component

A

Capacitor

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20
Q

Name the component

A

Polarised Capacitor

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21
Q

Name the component

A

Capacitor

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22
Q

This is the symbol for an earthing point in a circuit. What is an earth?

A

It is a connection to the ground or earth in a circuit. This can be for several reasons such as to protect the user if the circuit insulation failed.

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23
Q

Name the symbol

A

Earth

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24
Q

This is a fuse. What does it do?

A

A fuse is a special type of resistor that will burn out if the current goes above its rated level. It is used to protect circuits from too much current.

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25
Q

Name the component.

A

Fuse

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26
Q

Name the component.

A

Fuse

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27
Q

Name the component

A

Heating Element

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28
Q

This is a lamp. What does it do?

A

A lamp turns electricity into light.

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29
Q

Name the component

A

Lamp/Bulb

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30
Q

Name the component

A

Lamp

31
Q

This is a Light Dependant Resistor (LDR). What does it do?

A

A Light Dependant Resistor (LDR) is used for sensing light. It is a type of resistor where the resistance increases as the amount of light increases.

32
Q

Name the component

A

Light Dependant Resistor (LDR)

33
Q

Name the component

A

Light Dependant Resistor (LDR)

34
Q

This is a Light Emitting Diode (LED). What does it do?

A

A Light Emitting Diode (LED) converts electricity to light and only allows the electricity to pass through one way. It uses much less electricity than a bulb.

35
Q

Name the component

A

Light Emitting Diode (LED)

36
Q

Name the component

A

Light Emitting Diode (LED)

37
Q

Name the component

A

Microphone

38
Q

This is a loudspeaker. What does it do?

A

A loudspeaker turns electricity into sound.

39
Q

Name the component

A

Loudspeaker

40
Q

Name the component

A

Loudspeaker

41
Q

This is a motor. What does it do?

A

A motor turns electricity into circular movement.

42
Q

Name the component

A

Motor

43
Q

Name the component

A

Motor

44
Q

Name the component

A

Photodiode

45
Q

Name the component

A

PNP Phototransistor

46
Q

Name the component

A

Polarised Capacitor

47
Q

Name the component

A

Potentiometer with moveable contact

48
Q

Name the component

A

Potentiometer with moveable contact

49
Q

This is a potentiometer. What does it do?

A

A potentiometer is a 3 terminal resistor. If only 2 terminals are used it acts as a variable resistor. If all 3 are used it acts as a voltage divider. It is often used as a volume control. Also known as a pot.

50
Q

This is a resistor. What does it do?

A

A resistor can be used to control the amount of current in a circuit or to protect other components.

51
Q

Name the component

A

Resistor

52
Q

Name the component

A

Resistor

53
Q

Name the component

A

Semi Conductor Diode

54
Q

Name the component

A

Semi Conductor Diode

55
Q

Name the component

A

Switch

56
Q

Name the component.

A

A thyristor.

57
Q

This is a thyristor. What does it do in a circuit?

A

A thyristor is like a transistor. When a small current passes through the gate leg, it allows a larger current to flow from the anode to the cathode leg. This continues after the current into the gate has stopped. It is used in latching circuits.

58
Q

Name the component

A

Voltmeter

59
Q

This is a switch (latching). What does it do?

A

A latching switch can be used to turn a circuit on. It stays on until turned off.

60
Q

Name the component.

A

Push to make switch

61
Q

This is a push to make switch. What does it do?

A

A push to make switch can be used to turn the circuit on or as a contact sensor. It only stays on whilst pressed.

62
Q

This is a diode. What does it do?

A

A diode only allows electricity to flow in one direction. It can be used to protect components.

63
Q

Name the component.

A

Diode

64
Q

This is a relay. What does it do?

A

A relay can be used as part of a low powered circuit to turn on a high powered circuit.

65
Q

Name the component.

A

Relay

66
Q

This is an integrated circuit. What is it used for?

A

There are lots of different types of integrated circuits, ranging from timers to logic gates to programmable chips. They are used for amplifiers, counters, timers, processors and oscillators.

67
Q

Name the component.

A

Integrated Circuit

68
Q

What is a component?

A

A component is a part used to make an assembly.

69
Q

What is an input component?

A

Input components activate the circuit. They include switches and sensors.

70
Q

What is a process component?

A

A process component controls what the circuit does in response to the input.

71
Q

What is an output component?

A

Output components are a range of devices that turn electricity into light, sound or movement.

72
Q

This is a thermistor. What is it used for?

A

A thermistor is used for temperature sensing. It is a type of resistor where the resistance increases as the temperature increases.

73
Q

Name the component.

A

Thermistor

74
Q
A

Engineering GCSE (6 decks)

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