Engineering Board Exam Reviewer · Alternating Current and Voltage · medium
The waveform shown is a half-wave rectified sine voltage. Find its average (dc) value over a complete cycle.
- 31.8 V
- 63.7 V
- 50 V
- 70.7 V
Answer
A. 31.8 V
Solution
The peak is 100 V. The average over a full cycle of a half-wave rectified sine is Vavg=Vp/π= 100 Vπ=31.8 V.
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