Back to the full dot-point answer
Northern IrelandTechnology and DesignQuick questions
A2 1 Electronic and Microelectronic Control Systems
Quick questions on Operational amplifiers in control: summing, difference and follower circuits - CCEA A-Level Technology and Design
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 one ideal op-amp assumption used when analysing a feedback amplifier. [1 mark]
What is q2?Show answer
A summing amplifier has inputs 0.5 V and 1.5 V through equal 10 kilohm resistors with a 10 kilohm feedback resistor. Find the output. [2 marks]
What is q3?Show answer
Why is a voltage follower used to read a high-resistance potential divider? [2 marks]
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.