P3: Circuit Symbols Flashcards Preview

DS 7E Science 2 > P3: Circuit Symbols > Flashcards

Flashcards in P3: Circuit Symbols Deck (15)
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1
Q
A

Electromagnet

Coil of wire with magnetic field

2
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A

Reed Switch

Switch controlled by a magnetic field

3
Q
A

Ammeter

Measures current in Amps

4
Q
A

Light Dependent Resistor (LDR)

Resistance decreases when light is shone on it.

5
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A

Light Emitting Diode (LED)

Lights up when a current is passed through IN THE RIGHT DIRECTION

6
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Diode

Only lets current flow in one direction

7
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Variable Resistor

Gives control over the resistance/ current e.g. a light dimmer switch

8
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Resistor

Reduces current (by increasing resistance)

9
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A

SPST (SIngle Pole Single Throw) switch

Simple on-off switch/ makes and breaks the circuit

10
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A

Buzzer

Turns electrical energy into sound

11
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Motor

Turns electrical energy into kinetic energy (movement)

12
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Lamp

Turns electrical energy into light energy

13
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Fuse

Breaks the circuit if current is too high i.e. if there is a fault

14
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Battery

Made up of several cells

15
Q
A

Cell

Converts chemical energy to electrical energy in a circuit