Find the minimum load resistor, Electrical Engineering

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Q. Consider the non inverting amplifier. Let Ri = 1k and Rf = 2k. Let the op amp be ideal, except that its output cannot exceed ±12 V at a current of ±10 mA.

(a) Find the minimum load resistor that can be added between terminal 3 and ground.

(b) Determine the largest allowable magnitude for vi when using the minimum load resistance.

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