The voltage across the terminals of a 250 nF capaci- tor is S50 V, (Aje-4000r + A2te 4000) V, t2 0. The initial current in the capacitor is 400 mA. As- sume the passive sign convention. a) What is the initial energy stored in the capacitor? b) Evaluate the coefficients A and A2. c) What is the expression for the capacitor current?

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6.18 The voltage across the terminals of a 250 nF capaci-
PSPICE
tor is
MULTISIM
S50 V,
(Aje-4000r
t<0;
=
+ Azte 4000r) V, t2 0.
The initial current in the capacitor is 400 mA. As-
sume the passive sign convention.
a) What is the initial energy stored in the capacitor?
b) Evaluate the coefficients A and A2.
c) What is the expression for the capacitor current?
Transcribed Image Text:6.18 The voltage across the terminals of a 250 nF capaci- PSPICE tor is MULTISIM S50 V, (Aje-4000r t<0; = + Azte 4000r) V, t2 0. The initial current in the capacitor is 400 mA. As- sume the passive sign convention. a) What is the initial energy stored in the capacitor? b) Evaluate the coefficients A and A2. c) What is the expression for the capacitor current?
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