For the op-amp in the voltage follower circuit in figure

Question

For the op-amp in the voltage follower circuit in Figure P14.14, the open loop parameters are A_O L = 5 × 10³, R_i = 10 k, and R_o = 1 k.

(a) Sketch the small-signal equivalent circuit.

(b) Determine the

(i) closed-loop voltage gain vO /vI and

(ii) output resistance Rof.