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

For the circuit shown,

• R₁ = 27 Ω
• R₂ = 82 Ω
• R₃ = 22 Ω
• C = 47 μF

In the RC circuit, the source current has been at an initial of I_i = 1.3 A for a long time. At t = 0, the source current abruptly jumps to I_f = 2.3 A.

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

Answer