Question

Asked Apr 18, 2019

Step 1

When t < 0, the switch is open and there is no independent source connected to the circuit.

So, at time t = 0^{-}, we will get :

Step 2

When t = 0, the switch is closed and the dc voltage source is connected to the circuit. Now, as the capacitor branch is directly connected to the dc source, so:

Step 3

We can calculate the time constant as shown below:

The Theve...

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