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Name the resistor that is connected in the non-inverting terminal of op-amp which is in parallel combination of resistor connected in inverting terminal and feedback resistor.

(a) Random minimizing resistor

(b) Offset minimizing resistor

(c) Offset reducing resistors

(d) Output minimizing resistors

I had been asked this question during an online exam.

This interesting question is from Input Bias Current topic in section Operational Amplifier Fundamentals of Linear Integrated Circuits

1 Answer

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The resistor connected to the non-inverting terminal of an op-amp, which is in parallel combination with the resistor connected to the inverting terminal and the feedback resistor, is called an "offset minimizing resistor".

This resistor is used to minimize the offset voltage caused by the input bias current in the op-amp.

Correct Answer:

(b) Offset minimizing resistor

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