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ScotlandEngineering ScienceQuick questions
Area: Electronics and control
Quick questions on Operational amplifier circuits: inverting, non-inverting, summing and difference - SQA Advanced Higher 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 relationship for the closed-loop gain of an inverting amplifier. [1 mark]
What is q2?Show answer
A non-inverting amplifier has and . Find its gain. [2 marks]
What is q3?Show answer
Explain why the inverting input of an op-amp with negative feedback is called a virtual earth. [2 marks]
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