P3: Circuit Symbols Flashcards

The most common circuit symbols - names, symbols and descriptions

You may prefer our related Brainscape-certified flashcards:
1
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Electromagnet

Coil of wire with magnetic field

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2
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Reed Switch

Switch controlled by a magnetic field

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3
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Ammeter

Measures current in Amps

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4
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Light Dependent Resistor (LDR)

Resistance decreases when light is shone on it.

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5
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Light Emitting Diode (LED)

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

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6
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Diode

Only lets current flow in one direction

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7
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Variable Resistor

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

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8
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Resistor

Reduces current (by increasing resistance)

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9
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SPST (SIngle Pole Single Throw) switch

Simple on-off switch/ makes and breaks the circuit

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10
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Buzzer

Turns electrical energy into sound

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11
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Motor

Turns electrical energy into kinetic energy (movement)

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12
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Lamp

Turns electrical energy into light energy

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13
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Fuse

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

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14
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Battery

Made up of several cells

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15
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Cell

Converts chemical energy to electrical energy in a circuit

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