Cameroon Baccalauréat Série F2 Practice Questions - Cameroon Baccalauréat Technique Série F2 (Électronique) Exam

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In an ideal operational amplifier (AOP idéal) operating in linear mode with negative feedback, what are the theoretical values for the differential input voltage ($\varepsilon = V^+ - V^-$) and input bias currents ($I^+, I^-$)?

ε = 0 V (virtual short-circuit / court-circuit virtuel) and I^+ = I^- = 0 A (infinite input impedance) ε = +15 V and I^+ = I^- = 10 mA ε = 0 V and I^+ = I^- = infinite ε = V_sat and I^+ = I^- = 1 mA

Correct Answer:

ε = 0 V (virtual short-circuit / court-circuit virtuel) and I^+ = I^- = 0 A (infinite input impedance)

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