Exam-style question
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Explain how a potential divider produces a chosen output voltage.
Model answer
What a good answer should say
- A potential divider consists of two resistors in series connected to a voltage source.
- The output voltage is taken across one of the resistors.
- By adjusting the resistance values, the output voltage can be set to a desired level, as it is proportional to the ratio of the resistances.
Explanation
Why this works
This answer is strong because it clearly outlines the function of a potential divider and how the output voltage is determined by the resistor values. The question tests the understanding of the potential divider concept and its application in circuits.
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