Networks Analysis and Synthesis

Q1: 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°

ANS:C - v2 is leading v1 by 75°

v1 = 100 sin (ωt + 15°) and v2 = 60 cos ωt = 60 sin (ωt + 90°). Hence, v2 is leading v1 by (90 - 15) = 75°.



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