CAPE Physics Unit 2 · 2012 · Paper 1 · Question Q25

From the information given in the operational amplifier circuit above, determine the magnitude of the current through the feedback resistor.

1. (A)0.5\ \mu\text{A}
2. (B)8.0\ \mu\text{A}
3. (C)0.1\text{ mA}
4. (D)8.0\text{ mA}

This question uses a figure or table from the paper — you'll see it when you practise.