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Examveda

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: Option A

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