Current (Edexcel GCSE Physics): Flashcards
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Practise the cards
15 cards from this deck
Electric current
Electric current
Flow of electrical charge
Unit of electrical charge
Unit of electrical charge
Coulombs (C)
Unit of current
Unit of current
Amperes (A)
Instrument used to measure current
Instrument used to measure current
Ammeter
Formula for charge flow
Formula for charge flow
(Charge = current × time)
What does represent in ?
What does represent in ?
Charge flow in coulombs (C)
What does represent in ?
What does represent in ?
Current in amperes (A)
What does represent in ?
What does represent in ?
Time in seconds (s)
When will current flow through a circuit?
When will current flow through a circuit?
When it makes a complete loop
Potential difference
Potential difference
Driving force that pushes charge around
Unit of potential difference
Unit of potential difference
Volts (V)
Resistance
Resistance
Anything that slows charge flow down
Unit of resistance
Unit of resistance
Ohms ()
Effect of higher potential difference on current
Effect of higher potential difference on current
Higher current
Effect of higher resistance on current
Effect of higher resistance on current
Smaller current