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The current flowing into one input of the op-amp is 12nA and it is 10 nA in the other. Find the input offset current.

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The current flowing into one input of the op-amp is 12nA and it is 10 nA in the other. Find the input offset current.

(a) 1nA

(b) 2nA

(c) -2nA

(d) 11nA

The question was asked in homework.

I need to ask this question from Op-Amp Characteristics in chapter Op-amps and its Applications of Analog Circuits

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Correct answer is (b) 2nA

To elaborate: IIO = |IB1 – IB2|

IIO = 2nA.

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