For the step-down chopper shown in the figure below, dc source voltage = 230 V and the voltage drop across the chopper = 2 V. Find the value of rms output voltage for a duty cycle of 0.4.

For the step-down chopper shown in the figure below, dc source voltag

1.	For the step-down chopper shown in the figure below, dc source voltage = 230 V and the voltage drop across the chopper = 2 V. Find the value of rms output voltage for a duty cycle of 0.4.
A.	91.2 V
B.	230 V
C.	144.2 V
D.	145 V
Answer» D. 145 V