Answer Happy

The complex exponential forcing function in a circuit operating in sinusoidal steady state is given by V = 20 jejut V What is the corresponding real forcing function? O-20 sin (wt) V -20 cos (wt) + 20 sin (wt) V None of these 20 cos (wt) - 20 sin (wt) V -20 cos (wt) V 20 cos (wt) V -20 cos (wt) - 20 sin (wt) V 20 sin (wt) V 20 cos (wt) + 20 sin (wt) V
Given the following voltages: v₁(t) = 5 cos(wt), v₂(t) = 3 sin(wt), v3(t) = −4 sin(wt – 50°) Select the order in which these voltages lead one another, from the one leading foremost to the one lagged farthest behind. v₂ (t), v3 (t), v₁ (t) O v₁ (t), v3 (t), v₂ (t) ○v₁ (t), v₂ (t), v3 (t) ○v₂(t), v₁ (t), v3 (t) v3(t), v₁ (t), v₂ (t) O v3 (t), v₂(t), v₁ (t)