1.

Find the output voltage expression for a step down chopper with Vs as the input voltage and α as the duty cycle.$#

A. Vo = Vs/α
B. Vo = Vs x α
C. Vo = Vs<sup>2</sup>/α
D. Vo = 2Vs/απ
Answer» C. Vo = Vs<sup>2</sup>/‚âà√≠¬¨¬±


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