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HomeAQA GCSE PhysicsResistance and Ohm's Law
AQA · GCSE · Physics

Resistance and Ohm's Law
Practice Questions

40 AQA GCSE Physics questions on Resistance and Ohm's Law, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Resistance and Ohm's Law.

Try 2 sample questions on Resistance and Ohm's Law

Question 1 · 1 mark · Difficulty 1/3

Which unit is used to measure electrical resistance?

  1. The volt
  2. The ohm
  3. The amp
  4. The watt
Show answer & explanation
✓ Answer: BThe ohm
Award 1 mark. One ohm is the resistance of a component that needs one volt across it to drive one amp through it. The volt and the amp measure potential difference and current instead.
Question 2 · 1 mark · Difficulty 1/3

How is the total resistance of two resistors joined in series worked out?

  1. Divide the larger resistance by the smaller
  2. Subtract the smaller resistance from the larger
  3. Multiply the two resistances together
  4. Add the two resistances together
Show answer & explanation
✓ Answer: DAdd the two resistances together
Award 1 mark. The charge has to pass through both components one after the other, so the oppositions add. The total is therefore always larger than either resistance on its own.
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AQA GCSE Physics: Resistance and Ohm's Law FAQ

Is Kramizo free for AQA GCSE students preparing for Physics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Resistance and Ohm's Law practice with other Physics topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Resistance and Ohm's Law questions aligned to the official AQA GCSE Physics syllabus?
Every question is written against the published AQA GCSE Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Resistance and Ohm's Law typically tested on AQA GCSE Physics papers?
Resistance and Ohm's Law appears across multiple question types on real AQA GCSE Physics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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