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ScotlandPhysicsQuick questions
Area 3: Electricity
Quick questions on Semiconductors and p-n junctions: doping, diodes and LEDs - SQA Higher Physics
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the majority charge carrier in a p-type semiconductor. [1 mark]
What is q2?Show answer
State the bias direction in which a diode conducts. [1 mark]
What is q3?Show answer
Explain why an LED emits a photon when it conducts. [2 marks]
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