1.

Two voltages are v1= 100 sin (ωt + 15°) and v2 = 60 cosωt, then

A. v1 is leading v2 by 15°
B. v1 is leading v2 by 75°
C. v2 is leading v1 by 75°
D. v2 is lagging v1 by 15°
Answer» D. v2 is lagging v1 by 15°


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