A step-down chopper has input voltage .1 V and output voltage .01 V. Calculate the value of the duty cycle.(a) 0.1(b) 0.2(c) 0.3(d) 0.5The question was asked in an interview.I want to ask this question from Solid-State Switching Circuits in section Introduction to Solid-State Switching Circuits of Electric Drives

A step-down chopper has input voltage .1 V and output voltage .01 V. C

1.	A step-down chopper has input voltage .1 V and output voltage .01 V. Calculate the value of the duty cycle.(a) 0.1(b) 0.2(c) 0.3(d) 0.5The question was asked in an interview.I want to ask this question from Solid-State Switching Circuits in section Introduction to Solid-State Switching Circuits of Electric Drives
Answer» RIGHT option is (a) 0.1 The best EXPLANATION: The output VOLTAGE of the step-down chopper is Vo = Vin×(D). The value of the duty cycle is less than one which MAKES the Vo < Vin. The step-down chopper is used to step down the voltage. The value of the duty cycle is .01÷.1=.1.

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