Question: the question in the picture Consider the closed-loop amplifier configuration shown in Figure 2a, and assume that the op-amp is ideal. Ri Figure 2a a)

the question in the picture

Consider the closed-loop amplifier configuration shown in Figure 2a, and assume that the op-amp is ideal. Ri Figure 2a a) Derive an expression for the voltage gain (v,/v;) of the amplifier configuration given in Figure 2a. Express this voltage gain in terms of R1, R2, R3, etc. b) Derive an expression for the input resistance ( Rin)-of the closed loop op-amp configuration shown in Figure 2a

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