Current, Potential Difference & Resistance (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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11 cards from this deck
What is electric current?
What is electric current?
Flow of electrical charge
Unit for electrical charge
Unit for electrical charge
Coulombs (C)
Unit for electric current
Unit for electric current
Amperes (A)
Current is the _____ of charge flow
Current is the _____ of charge flow
Rate
Instrument used to measure current
Instrument used to measure current
Ammeter
Formula for charge flow
Formula for charge flow
In , what does represent?
In , what does represent?
Charge flow in coulombs (C)
In , what does represent?
In , what does represent?
Current in amperes (A)
In , what does represent?
In , what does represent?
Time in seconds (s)
Condition for current to flow in circuit
Condition for current to flow in circuit
The circuit must make a complete loop
Charge when A, s
Charge when A, s
C (using )