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A feedback circuit usually employs which type of circuit?

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A feedback circuit usually employs which type of circuit?

(a) Resistive

(b) Inductive

(c) Capacitive

(d) Shunt

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This interesting question is from Properties of Negative Feedback in division Differential and Multistage Amplifiers of Electronic Devices & Circuits

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The correct option is (a) Resistive

For explanation I would say: Using a resistor in the negative feedback loop we can control the gain in two ways-

 For inverting amplifier mode; Vout = – (Rf/R) Vin

For non- inverting amplifier mode; Vout = (1+Rf/R) Vin.

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