Q130
The circuit shown in the figure is used to charge the capacitor C alternately from two current sources as indicated. The switches S1 and S2 are mechanically coupled and connected as follows. For 2nT ≤ t < (2n + 1)T, (n = 0, 1, 2 . . .) S1 to P1 and S2 to P2. For (2n + 1)T ≤ t < (2n + 2)T, (n = 0, 1, 2 . . .) S1 to Q1 and S2 to Q2. Assume that the capacitor has zero initial charge. Give that u(t) is a unit step function, the voltage VC(t) across the capacitor is given by
A.
B.
C.
Answer
D.
Answer: Option C
Solution
Answer: Option C
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