Inverter Numericals MCQs

Practice Inverter Numericals MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Power ElectronicsInverter Numericals

The RMS value of an ideal bipolar square wave that alternates between +Vdc and -Vdc is?

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Correct Answer: C. Vdc

Explanation: The magnitude is Vdc throughout the cycle, so RMS=sqrt(mean(Vdc²))=Vdc.

Reference: Standard power electronics: inverter numericals

Question 2

Power ElectronicsInverter Numericals

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Correct Answer: B. 0.90 Vdc

Explanation: The fundamental peak is 4Vdc/pi; its RMS value is 4Vdc/(pi sqrt2)≈0.900Vdc.

Reference: Standard power electronics: inverter numericals

Question 3

Power ElectronicsInverter Numericals

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Correct Answer: C. 180 V

Explanation: V1,rms≈0.900×200=180 V.

Reference: Standard power electronics: inverter numericals