MCQOPTIONS
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| 1. |
In the single-pulse width modulation method, the output voltage waveform is symmetrical about __________ |
| A. | π |
| B. | 2π |
| C. | π/2 |
| D. | π/4 |
| Answer» D. ‚âà√¨‚àö√ë/4 | |