1. FIGURE 1 shows four amplifier circuits, each of which has one or two unknown voltages (shown highlighted). Determine the unknown voltages for each circuit.
Assume that the op-amps are ideal. Show all working!
FIGURE 1
2. For the two-stage amplifier circuit shown in FIGURE 2, calculate the voltage gain for each stage and the overall voltage gain. Assume the op- amps to be ideal.
