Class activity-4 Assuming ideal op-amp, derive an expression for the closed-loop gain vo /vl of the circuit shown below. Use this circuit to design an inverting amplifier with a gain of 200 and an input resistance of 1 MQ. Assume that for practical reasons it is required not to use resistors greater than 1 MQ. VI R₁ www R₂ www Ry R₁

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