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Component 2 Application of Electronics

Quick questions on Operational amplifier basics and gain - Eduqas GCSE Electronics

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?
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An inverting amplifier has Rin=2.0 kΩR_\text{in} = 2.0\ \text{k}\Omega and Rf=20 kΩR_f = 20\ \text{k}\Omega. Find the gain. [2 marks]
What is q2?
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State the gain of a voltage follower. [1 mark]
What is q3?
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State why negative feedback is used to set an op-amp's gain. [2 marks]

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