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Voltmeter - GCSE Physics Definition

Reviewed by: Caroline Carroll

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A voltmeter is a device used to measure the electrical potential difference, or voltage, between two points in an electric circuit. It helps us to see how strong the electrical push is in a circuit, and measures the quantity in volts (V). In a typical experiment, you'll connect the voltmeter in parallel with the part of the circuit you want to measure. Understanding how to use a voltmeter is important in GCSE Physics, as it helps to determine other quantities within a circuit, such as current and resistance.

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Caroline Carroll

Reviewer: Caroline Carroll

Expertise: Physics & Chemistry Subject Lead

Caroline graduated from the University of Nottingham with a degree in Chemistry and Molecular Physics. She spent several years working as an Industrial Chemist in the automotive industry before retraining to teach. Caroline has over 12 years of experience teaching GCSE and A-level chemistry and physics. She is passionate about creating high-quality resources to help students achieve their full potential.

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