CAPE Physics Unit 2 · 2007 (Specimen) · Paper 1 · Question Q24

Which of the following represents the gain of the amplifier?

1. (A)1 + \frac{R_2}{R_1}
2. (B)\frac{R_2}{R_1}
3. (C)\frac{R_1}{R_1 + R_2}
4. (D)1 + \frac{R_1}{R_2}

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