Current, Potential Difference & Resistance (AQA GCSE Physics): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Are circuit symbols universal?
Are circuit symbols universal?
Yes, same everywhere worldwide
Function of a cell
Function of a cell
Provides electrical energy
Cell positive terminal marking
Cell positive terminal marking
Longer line
Battery composition
Battery composition
Two or more cells joined together
Switch function
Switch function
Turns current on or off in circuit
Voltmeter measures
Voltmeter measures
Potential difference (voltage) across component
How to connect voltmeter
How to connect voltmeter
In parallel
Ammeter measures
Ammeter measures
Current flowing through component
How to connect ammeter
How to connect ammeter
In series
Fixed resistor property
Fixed resistor property
Slows current by set amount; resistance doesn't change
Variable resistor feature
Variable resistor feature
Adjustable resistance
LED current flow
LED current flow
Only works in one direction
Fuse function
Fuse function
Protects circuits from too much current
Diode current flow
Diode current flow
Only lets current flow in one direction
Thermistor when heated
Thermistor when heated
Lets more current through