Sine wave A has a positive-going zero crossing at 45 . Sine wave B has – 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 .

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