Question: Two OP AMP circuits are shown in Figure P4-21 . Both claim to produce a gain of either (pm 100). (a) Show that the claim

Two OP AMP circuits are shown in Figure P4-21
+1 VS Source VIN 1 VIN + + 100 Circuit 2 Circuit. Both claim to produce a gain of either \(\pm 100\).
(a) Show that the claim is true.
(b) A practical source with a series resistor of \(1 \mathrm{k} \Omega\) is connected to the input of each circuit. Does the original claim still hold? If it does not, explain why.

+1 VS Source VIN 1 VIN + + 100 Circuit 2 Circuit 1 VO VO + 99 1

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