CAPE Physics Unit 2 · 2015 · Paper 1 · Question Q21

The gain of this amplifier is given by

1. (A)\frac{R_f}{R_1}
2. (B)\frac{R_1}{R_f}
3. (C)1 + \frac{R_f}{R_1}
4. (D)1 + \frac{R_1}{R_f}

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