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CXC · CSEC · Physics

Electric Current, Charge and Potential Difference (Voltage)
Practice Questions

20 CXC CSEC Physics questions on Electric Current, Charge and Potential Difference (Voltage), 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 Electric Current, Charge and Potential Difference (Voltage).

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Question 1 · 1 mark · Difficulty 1/3

Which of the following correctly states the relationship between electric current and charge?

  1. Current is the charge stored in a conductor
  2. Current is the rate of flow of charge
  3. Current is the force that moves charges
  4. Current is the energy carried by charges
Show answer & explanation
✓ Answer: BCurrent is the rate of flow of charge
Award 1 mark for identifying current as charge per unit time (I = Q/t). A is incorrect — charge storage describes capacitance, not current. C is incorrect — this describes potential difference or electromotive force. D is incorrect — this confuses current with electrical energy or power.
Question 2 · 1 mark · Difficulty 1/3

The SI unit of electric charge is the:

  1. ampere
  2. volt
  3. coulomb
  4. ohm
Show answer & explanation
✓ Answer: Ccoulomb
Award 1 mark for identifying the coulomb (C) as the SI unit of charge. A is incorrect — ampere is the unit of current. B is incorrect — volt is the unit of potential difference. D is incorrect — ohm is the unit of resistance.
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20 questions · 25 min · free

CXC CSEC Physics: Electric Current, Charge and Potential Difference (Voltage) FAQ

How many CXC CSEC Physics questions on Electric Current, Charge and Potential Difference (Voltage) are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Electric Current, Charge and Potential Difference (Voltage) for CXC CSEC Physics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC 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 Electric Current, Charge and Potential Difference (Voltage) practice with other Physics topics or even switch to a totally different CXC 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 Electric Current, Charge and Potential Difference (Voltage) questions aligned to the official CXC CSEC Physics syllabus?
Every question is written against the published CXC CSEC Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC 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 CXC.
How is Electric Current, Charge and Potential Difference (Voltage) typically tested on CXC CSEC Physics papers?
Electric Current, Charge and Potential Difference (Voltage) appears across multiple question types on real CXC CSEC 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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