Kirchhoff’s second law
What Kirchhoff’s second law means in Physics A-Level, as defined for OCR.
Definition of Kirchhoff’s second law
Check what you remember
Read the wording for your board, then hide it and explain Kirchhoff’s second law in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
In any closed loop of a circuit, the sum of the electromotive forces equals the sum of the potential differences.
Topics that use Kirchhoff’s second law
- Series and parallel circuits (OCR A-Level)
Related terms
- Circuit analysis
- Conservation of charge
- Conservation of energy
- Conservation of energy in electrical circuits
- Kirchhoff's laws
- Ohm’s law
- Series and parallel combinations
- Sign conventions in loop analysis
Using Kirchhoff’s second law in the exam
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