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Q. |
The positive and negative halves of a complex wave are symmetrical when |
A. | it contains even harmonics |
B. | phase difference between even harmonics and fundamentals is 0 or it |
C. | it contains odd harmonics |
D. | phase difference between even harmonics and fundamental is either n/2 or 3n/2 |
Answer» C. it contains odd harmonics |
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