Physics A-Level
Equivalent energy formulae
What Equivalent energy formulae means in Physics A-Level, as defined for OCR.
Definition of Equivalent energy formulae
Check what you remember
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Reference: OCR
W = ½QV, W = ½CV² and W = ½Q²/C are the three equivalent expressions for energy stored by a capacitor.
Topics that use Equivalent energy formulae
- Energy (OCR A-Level)
Related terms
- Area under a graph as work done
- Graphical representation of energy
- Proportionality of charge and p.d.
- Rapid discharge applications
- Selection of appropriate equation
- Temporary versus continuous energy supply
- Capacitance from gradient
- Energy equations for capacitors
Using Equivalent energy formulae in the exam
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