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Which of the following is true about MOSFET class D amplifier?

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Which of the following is true about MOSFET class D amplifier?

(a) It has infinite gain

(b) It is less stable

(c) It is less advantageous

(d) It dissipates less heat

This question was posed to me in exam.

I would like to ask this question from Class D Amplifiers in section Power Amplifiers of Electronic Devices & Circuits

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Correct choice is (d) It dissipates less heat

Easiest explanation: When MOSFET is off, no current flows and hence no power dissipation occurs.

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