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Current, Resistance, and Potential Difference — OCR GCSE Combined Science A J250
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Combined Science
OCR GCSE Combined Science A
Electricity and Magnetism
Simple Circuits
Current, Resistance, and Potential Difference
OCR GCSE Combined Science A · J250
Current, Resistance, and Potential Difference
What you need to know
Define potential difference in the specific context of electrical circuits.
Recall that current (
I
I
I
) relies on both the circuit's resistance (
R
R
R
) and the applied potential difference (
V
V
V
).
State the standard units utilized to measure current, resistance, and potential difference.
Revision notes
1
Current, Resistance, and Potential Difference
3 key terms
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Circuit Conventions and Symbols
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Ohm's Law and Variable Resistance
