BRAINCAKEKirchoff's Second Law
In any circuit the sum of the electromotive forces is equal to the sum of the potential differences around a closed loop. A closed loop is a single path the current can take from the cell or power source to the component and back again.
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Key terms in this lesson
- energy
- The capacity of a system to do work.
- power
- The rate at which work is done, or the rate of transfer of energy.
More in Electricity
- The Thermistor
- The Light Dependent Resistor
- Electrical Power
- Electricity in the Home
- Series Circuits
- Parallel Circuits
- Combining Resistors
- Analysing Circuits
All 30 lessons in Electricity · All OCR AS-level Physics topics