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1. |
In single-pulse modulation of PWM inverters, the pulse width is 120 . For an input voltage of 220 V dc, the r.m.s. value of output voltage is |
A. | 179 63 V |
B. | 254 04 V |
C. | 127 02 V |
D. | 185 04 V |
Answer» B. 254 04 V | |