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In DC chopper, the waveform for input and output voltages is respectively __________

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In DC chopper, the waveform for input and output voltages is respectively __________

(a) Discontinuous and Continuous

(b) Continuous and Discontinuous

(c) Both continuous

(d) Both discontinuous

This question was posed to me by my school principal while I was bunking the class.

I want to ask this question from Modified Speed Torque Characteristics of DC Shunt Motors in chapter Characteristics of DC & AC Motors of Electric Drives

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Correct choice is (b) Continuous and Discontinuous

Easiest explanation: Chopper has a perfect DC at the input which is chopped into pulses which means the output voltage is discontinuous and by varying the duty cycle we can vary the average output voltage.

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