RC transients practice problems
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Read the RC-transient class notes.

For the circuit shown,

• R = 1.8 Ω
• C = 4.7 μF
• I_S = 23 A

In the RC circuit, the switch has been open for a long time and closes at t = 0. Prior to the switch closing, the capacitor was charged to a voltage of V_i = -8 V.

Determine the expression for the capacitor voltage as a function of time, for t > 0.

Answer