Electrical energy (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
14 cards from this deck
What do electrical appliances transfer?
What do electrical appliances transfer?
Energy from one form to another
How does energy transfer in electrical devices?
How does energy transfer in electrical devices?
Through the flow of electric charge
Definition of power
Definition of power
How quickly energy is transferred
What does the power of a device depend on?
What does the power of a device depend on?
Potential difference (voltage) and current
Formula linking energy, charge and voltage
Formula linking energy, charge and voltage
Unit for energy transferred ()
Unit for energy transferred ()
Joules (J)
Unit for charge flow ()
Unit for charge flow ()
Coulombs (C)
Unit for potential difference ()
Unit for potential difference ()
Volts (V)
What voltmeters measure and how they connect
What voltmeters measure and how they connect
Potential difference, connected in parallel
What ammeters measure and how they connect
What ammeters measure and how they connect
Current, connected in series
Formula for charge using current and time
Formula for charge using current and time
Alternative formula for energy using , ,
Alternative formula for energy using , ,
What happens when charge flows in a circuit?
What happens when charge flows in a circuit?
Work is done
What is a feature of higher power devices?
What is a feature of higher power devices?
Transfer more energy per second