Electrical Power Calculations - AQA GCSE Physics Practice Book

Electrical power comes in two forms on the AQA paper (P = IV and P = I2R) and students need to pick the right one for each question. This AQA GCSE Physics workbook develops that judgement with 12 scaffolded questions using the EVERY method framework.

The EVERY method breaks each calculation into clear steps: Equation, Values, Enter values into the equation, Rearrange if needed, Your units. Every question has a structured EVERY table for students to complete, building a consistent problem-solving habit. Questions get progressively harder: Q1-3 are straightforward, Q4-6 introduce unit conversions, and Q7-12 require rearranging the formula.

What’s inside:

• 12 progressive questions on Electrical Power (P = IV and P = I2R)
• Structured EVERY method table on every question page
• Progressive difficulty: simple substitution, then unit conversions, then rearranging
• Self-assessment tracker with “What made me stuck?” reflection checklist
• Full worked answers for all 12 questions using the EVERY method steps

AQA specification reference: 6.2 Electricity (Combined Science and Triple Physics)

Electrical power calculations link power, current, voltage, and resistance. Students calculate the power of domestic appliances, fuse ratings, and circuit components. Some questions require choosing which formula to use based on the data given.

Common student mistakes this workbook addresses: using P = IV when resistance is given (P = I2R is needed), forgetting to square the current in P = I2R, confusing power (watts) with energy (joules), and not converting milliamps to amps.

Suitable for AQA GCSE Combined Science and Physics (Triple). Works for both foundation and higher tier students.