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Potential Dividers

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IGCSE Physics Lessons
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A series of free GCSE/IGCSE Physics Notes and Lessons.

Potential Divider/Voltage Divider

Potential dividers divide up the voltage within a circuit, so that parts of a circuit only receive the voltage they require. Potential dividers usually consist of two or more resistors arranged in series across a power supply.

Potential Dividers - GCSE Physics Revision
A demonstration of how potential difference (voltage) can be shared out in the ratio of resistances in series circuits. Also how it can be used to alter the voltage across a component in, for example a motor throttle, or to sense a change in environment using a thermistor or an LDR.

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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