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Answer this question. A light-emitting diode (LED) emits visible light when the potential difference across it exceeds a threshold voltage. Describe, with the help of

Answer this question.

A light-emitting diode (LED) emits visible light when the potential difference across it exceeds a threshold voltage. Describe, with the help of a circuit diagram, how you could carry out an experiment to accurately determine the threshold voltage of an LED in a brightly-lit laboratory.

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