Electrical Charge — GCSE Physics Revision
Revise Electrical Charge for GCSE Physics. Step-by-step explanation, worked examples, common mistakes and exam-style practice aligned to AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge International (CIE), SQA, IB, AP.
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Go to Potential DifferenceWhat is Electrical Charge?
Electrical charge is a fundamental property of matter. It can be positive or negative. Protons have a positive charge, and electrons have a negative charge. The flow of electrical charge is what constitutes an electric current. Charge is measured in Coulombs (C).
Board notes: Covered by all major boards (AQA, Edexcel, OCR) at both Foundation and Higher tiers.
Step-by-step explanationWorked example
A current of 3A flows for 10 seconds. How much charge has passed? Solution: Charge = Current x Time. Q = 3A x 10s = 30C.
Mini lesson for Electrical Charge
1. Understand the core idea
Electrical charge is a fundamental property of matter. It can be positive or negative.
Can you explain Electrical Charge without copying the notes?
2. Turn it into marks
A current of 3A flows for 10 seconds. How much charge has passed?
Underline the method, evidence, or command-word move that would earn credit in GCSE Electricity.
3. Fix the likely mark leak
Watch for this mistake: Confusing charge with current. Charge is a quantity of electricity, while current is the rate of flow of that charge.
Write one correction rule before doing another practice question.
Practise this topic
Jump into adaptive, exam-style questions for Electrical Charge. Free to start; sign in to save progress.
Electrical Charge practice questions
These are original StudyVector questions for revision practice. They are not official exam-board questions.
Question 1
In one GCSE sentence, explain what Electrical Charge is testing.
Answer: Electrical charge is a fundamental property of matter. It can be positive or negative.
Mark focus: Precise definition and topic focus.
Question 2
A Electrical Charge question uses an unfamiliar context. What should the answer do before adding detail?
Answer: It should name the process, variable, equation, particle model, or evidence being tested, then explain the result using precise scientific vocabulary.
Mark focus: Method selection and command-word control.
Question 3
A student makes this mistake: "Confusing charge with current. Charge is a quantity of electricity, while current is the rate of flow of that charge." What should their next repair task be?
Answer: Do one Electrical Charge question and review the mistake type.
Mark focus: Error correction and next-step practice.
Electrical Charge flashcards
Core idea
What is the main idea in Electrical Charge?
Electrical charge is a fundamental property of matter. It can be positive or negative.
Common mistake
What mistake should you avoid in Electrical Charge?
Confusing charge with current. Charge is a quantity of electricity, while current is the rate of flow of that charge.
Practice
What is one useful practice task for Electrical Charge?
Answer one Electrical Charge question and review the mistake type.
Exam board
How should you use board notes for Electrical Charge?
Covered by all major boards (AQA, Edexcel, OCR) at both Foundation and Higher tiers.
Common mistakes
- 1Confusing charge with current. Charge is a quantity of electricity, while current is the rate of flow of that charge.
- 2Forgetting that charge is conserved. You cannot create or destroy charge, only move it around.
- 3Mixing up the signs for the charge on protons and electrons. Protons are positive, electrons are negative.
Electrical Charge exam questions
Exam-style questions for Electrical Charge with mark-scheme style solutions and timing practice. Aligned to AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge International (CIE), SQA, IB, AP specifications.
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Step-by-step method
Step-by-step explanation
4 steps · Worked method for Electrical Charge
Core concept
Electrical charge is a fundamental property of matter. It can be positive or negative. Protons have a positive charge, and electrons have a negative charge. The flow of electrical charge is what const…
Frequently asked questions
What is the formula for electrical charge?
The formula connecting charge, current and time is: Charge (C) = Current (A) x Time (s).
What is an elementary charge?
The elementary charge is the electric charge carried by a single proton or electron. It has a value of approximately 1.6 x 10^-19 Coulombs.