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For the circuit shown below, the capacitor is initially charged to a voltage of Vo with the upper plate positive. After the switch (shown in green) is closed, the current through the load

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For the circuit shown below, the capacitor is initially charged to a voltage of Vo with the upper plate positive. After the switch (shown in green) is closed, the current through the load

(a) increases from zero to Vo/R

(b) decreases from Vo/R to zero

(c) increases from zero to Vo/C

(d) decreases from Vo/C to zero

I have been asked this question in final exam.

I'd like to ask this question from Diode Circuits-2 topic in division Diode Circuits of Power Electronics

1 Answer

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by (45.1k points)
Correct choice is (b) decreases from Vo/R to zero

For explanation: The capacitor acts as a source. At instant switch is closed the current is maximum and than discharges till zero value through the load R.

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