Op amp practice problems
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Read the op-amp class notes.

For the circuit shown,

• R₁ = 560 Ω
• R₂ = 680 Ω
• R_f = 8.2 kΩ
• v_i1 = 90 mV
• v_i2 = -0.9 V

What is the output voltage v_o?

Answer