The graph shows the current versus the voltage in a driven RLC circuit at a fixed frequency. The arrow indicates the direction that this curve is drawn as time progresses. In this plot, the

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i = i 0 ​ cos θ = i 0 ​ sin ( ω t + 2 π ​ ) v = v 0 ​ sin q = v 0 ​ sin ω t so current leads the voltage by 9 0 ∘

Physics - EMI/AC Question with Solution | TestHub

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