1.

For a series RLC circuit excited by an impulse voltage of magnitude 1 and having R = 4Ω, L = 1H, C = \(\frac{1}{3}\) F, the value of the current I(t) is ___________

A. \(\frac{3}{2} e^{3t} – \frac{1}{2} e^{-t}\)
B. \(\frac{3}{2} e^{3t} – \frac{1}{2} e^t\)
C. \(\frac{3}{2} e^{-3t} – \frac{1}{2} e^{-t}\)
D. \(\frac{3}{2} e^{-3t} – \frac{1}{2} e^t\)
Answer» D. \(\frac{3}{2} e^{-3t} – \frac{1}{2} e^t\)


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