MCQOPTIONS
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| 1. |
Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?%! |
| A. | Wave A leads wave B by 15° |
| B. | Wave A lags wave B by 15° |
| C. | Wave A leads wave B by 105° |
| D. | Wave A lags wave B by 105° |
| Answer» B. Wave A lags wave B by 15¬¨‚àû | |