Use of Q = CV to transform expressions
What Use of Q = CV to transform expressions means in Physics A-Level, as defined for OCR.
Definition of Use of Q = CV to transform expressions
Check what you remember
Read the wording for your board, then hide it and explain Use of Q = CV to transform expressions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Substituting Q = CV into W = ½QV gives W = ½CV², and substituting V = Q/C gives W = ½Q²/C.
Topics that use Use of Q = CV to transform expressions
- 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 Use of Q = CV to transform expressions in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge