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Measuring Potential Difference

Part of Potential Difference · GCSE GCSE Physics revision

This deep dive covers Measuring Potential Difference within Potential Difference for GCSE Physics. Revise Potential Difference in Electricity for GCSE Physics with 14 exam-style questions and 30 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 3 of 14 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 3 of 14

Practice

14 questions

Recall

30 flashcards

📏 Measuring Potential Difference

Instrument: Voltmeter

How to connect: In PARALLEL — across the component you're measuring.

Why parallel? Voltage is the energy difference between two points. The voltmeter compares the energy level of charges entering and leaving a component — it must touch both sides simultaneously.

Circuit symbol: Circle with V inside

Keep building this topic

Read this section alongside the surrounding pages in Potential Difference. That gives you the full topic sequence instead of a single isolated revision point.

Understanding Potential DifferenceVoltage Rules in CircuitsThe Ski Lift ModelPotential Difference and Energy Transfer

Practice Questions for Potential Difference

Which of the following is the correct definition of potential difference?

  • A. The total charge flowing through a component per second
  • B. The resistance of a component measured in ohms
  • C. The energy transferred per unit charge between two points in a circuit
  • D. The power dissipated by a component measured in watts
1 markfoundation

Explain what is meant by a potential difference of 6 V across a component.

2 marksstandard

Quick Recall Flashcards

P.d. equation?
V = E/Q where V = voltage (V), E = energy (J), Q = charge (C). Also V = IR.
What is 1 Volt?
1 Joule per Coulomb (1 V = 1 J/C)

14 questions on Potential Difference — practise free

Instant marking, adaptive difficulty, and 30 spaced repetition flashcards. Free until your GCSEs.

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Understanding Potential Difference

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Voltage Rules in Circuits