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Which of the following is not true for a voltage follower amplifier?

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Which of the following is not true for a voltage follower amplifier?

(a) Input voltage is equal to output voltage

(b) Input resistance is infinite and output resistance is zero

(c) It has 100% negative feedback

(d) None of the mentioned

The question was asked in an international level competition.

This interesting question is from The Non Inverting Configuration in section Operational Amplifiers of Electronic Devices & Circuits

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Right option is (d) None of the mentioned

The explanation: All the statements are false.

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