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The chief advantage offered by the electronics is:

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The chief advantage offered by the electronics is:

(a) Differencing and stable amplification by Op-Amp

(b) Stable amplification of power level by use of power transistor and SCR’s

(c) Differencing and stable amplification of power level by Op-Amp

(d) No amplification with the Op-Amp

The question was posed to me in a national level competition.

I would like to ask this question from Controller Components in section Control System and Components of Control Systems

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Correct option is (c) Differencing and stable amplification of power level by Op-Amp

The explanation: Advantage of electronics is that every type of energy is converted into measurable and storage energy and electronically differencing to get the error signal and its amplifier.

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