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5.4 LC Series circuit
Example 5 (LC Series circuit)
By using Laplace Transformation, find the current i(t) when S1 switch is closed.
(Assuming zero initial condition).
SOLUTION
By using Kirchhoff’s voltage law;
VL + VC = VS
di
1
t
2t
L + ∫ i(t)dt = 10e
dt C 0
75
