Questions ??-??. Consider an ideal RLC series circuit shown in the figure below. The current in the circuit is given by i(t) = I cos[(9450 rad/s)t], where I is the amplitude current. The voltage amplitude of the AC source is 121 V. In addition to this, R = 378 , C = 0.802 µF, and L = 67.2 mH. 9 of 15 M R L

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Questions ??-??. Consider an ideal RLC series circuit shown in the figure
below. The current in the circuit is given by i(t) = I cos[(9450 rad/s)t], where
I is the amplitude current. The voltage amplitude of the AC source is 121 V.
In addition to this, R = 378 , C = 0.802 µF, and L = 67.2 mH.
9 of 15
www
M
R
L
Transcribed Image Text:Questions ??-??. Consider an ideal RLC series circuit shown in the figure below. The current in the circuit is given by i(t) = I cos[(9450 rad/s)t], where I is the amplitude current. The voltage amplitude of the AC source is 121 V. In addition to this, R = 378 , C = 0.802 µF, and L = 67.2 mH. 9 of 15 www M R L
Find the equation for the voltage across the capacitor with time.
(A) vc (t) = (25.4 V) cos[(9450 rad/s)t - rad]
(B) vc(t) = (25.4 V) cos[(9450 rad/s)t + rad]
(C) vc (t) = (25.4 V) cos[(9450 rad/s)t]
(D) vc (t) = (121 V) cos[(9450 rad/s)t - rad]
(E) vc(t) = (121 V) cos[(9450 rad/s)t - 0.926 rad]
Transcribed Image Text:Find the equation for the voltage across the capacitor with time. (A) vc (t) = (25.4 V) cos[(9450 rad/s)t - rad] (B) vc(t) = (25.4 V) cos[(9450 rad/s)t + rad] (C) vc (t) = (25.4 V) cos[(9450 rad/s)t] (D) vc (t) = (121 V) cos[(9450 rad/s)t - rad] (E) vc(t) = (121 V) cos[(9450 rad/s)t - 0.926 rad]
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