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ScotlandEngineering ScienceQuick questions
Area 2: Electronics and control
Quick questions on Output devices and transistor switching - SQA National 5 Engineering Science
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 approximate base voltage at which a transistor switches on. [1 mark]
What is q2?Show answer
Why is a series resistor always used with an LED? [1 mark]
What is q3?Show answer
Explain why a diode is connected across a motor switched by a transistor. [2 marks]
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