BRAINCAKECurrent Rules
At any junction in a circuit the total current leaving the junction is equal to the total current entering the junction.
Current is the flow of charge, so this statement is a consequence of the law of the conservation of charge.
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More in Direct Current Circuits
- Potential Difference Rules
- Resistors in Series
- Resistors in Parallel
- Resistance Heating
- Internal Resistance
- Power
- Measuring Internal Resistance
- Cells in Series
All 15 lessons in Direct Current Circuits · All AQA AS-level Physics topics