Circuit symbols (AQA GCSE Physics Combined Science): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Circuit symbols worldwide
Circuit symbols worldwide
Universal - agreed symbols used everywhere
What does a cell provide in a circuit?
What does a cell provide in a circuit?
Electrical energy to push current around circuit
What a battery is made of
What a battery is made of
Two or more cells joined together
Effect of a closed switch
Effect of a closed switch
Allows current to flow
What a voltmeter measures
What a voltmeter measures
Potential difference (voltage) across a component
What an ammeter measures
What an ammeter measures
Current flowing through a component
Variable resistor function
Variable resistor function
Can be adjusted to change resistance
Thermistor - effect of temperature increase
Thermistor - effect of temperature increase
Resistance decreases
LDR - effect when light gets brighter
LDR - effect when light gets brighter
Resistance decreases
LED current flow characteristic
LED current flow characteristic
Can only flow in one direction
Diode function in circuit
Diode function in circuit
Allows current to flow in one direction only
What fuse does when too much current flows
What fuse does when too much current flows
Melts to protect other components from damage
What output devices do
What output devices do
Convert electrical energy into other forms
How ammeter is connected
How ammeter is connected
In series - measures current through components
How voltmeter is connected
How voltmeter is connected
In parallel - measures voltage across components