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Electric Current, Potential Difference and Resistance
Practice Questions

20 CXC CSEC Physics questions on Electric Current, Potential Difference and Resistance, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Electric Current, Potential Difference and Resistance

Question 1 · 1 mark · Difficulty 1/3

A student in Kingston, Jamaica, sets up a simple circuit with a cell, a switch, and a bulb. When the switch is closed, the bulb lights up. Which of the following best describes electric current in this circuit?

  1. The flow of positive charges from the negative terminal to the positive terminal
  2. The flow of electrons from the positive terminal to the negative terminal
  3. The rate of flow of electric charge through a conductor
  4. The energy stored in the chemical cell
Show answer & explanation
✓ Answer: CThe rate of flow of electric charge through a conductor
Award 1 mark for identifying electric current as the rate of flow of electric charge. A is incorrect because conventional current flows from positive to negative, not the reverse. B is incorrect because although electrons flow from negative to positive, the definition of current is the rate of charge flow. D is incorrect because this describes potential energy, not current.
Question 2 · 1 mark · Difficulty 1/3

Which of the following is the SI unit for electric current?

  1. Volt (V)
  2. Ohm (Ω)
  3. Ampere (A)
  4. Coulomb (C)
Show answer & explanation
✓ Answer: CAmpere (A)
Award 1 mark for identifying the ampere as the SI unit for electric current. A is incorrect — the volt is the unit for potential difference. B is incorrect — the ohm is the unit for resistance. D is incorrect — the coulomb is the unit for electric charge, not current.
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CXC CSEC Physics: Electric Current, Potential Difference and Resistance FAQ

How many CXC CSEC Physics questions on Electric Current, Potential Difference and Resistance are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Electric Current, Potential Difference and Resistance 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, Potential Difference and Resistance 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, Potential Difference and Resistance 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, Potential Difference and Resistance typically tested on CXC CSEC Physics papers?
Electric Current, Potential Difference and Resistance 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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