Cambridge IGCSE Physics revision notes

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Lesson

Lesson-15.2.3- Describe the action of a relay and show understanding of its use in switching circuits.

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Lesson-15.2.2- Describe the action of thermistors and light dependent resistors and show understanding of their use as input transducers.Previous Lesson-15.3.1- Explain and use the terms analogue and digital in terms of continuous variation and high/low states.Next