If ‘α’ is the duty cycle, the output of the following circuit is given by

• A. Vout = α Vin
• B. \({V_{out}} = \frac{{{V_{in}}}}{{1 + \alpha }}\)
• C. \({V_{out}} = \frac{1}{\alpha }.\;{V_{in}}\)
• D. \({V_{out}} = \frac{{{V_{in}}}}{{1 - \alpha \;}}\)