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

For the circuit shown,

• R₁ = 3.9 Ω
• R₂ = 5.6 Ω
• R₃ = 2.2 Ω
• C = 100 nF

In the RC circuit, the source current has been at an initial of I_i = 0 A for a long time. At t = 0, the source current abruptly jumps to I_f = 22 A.

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

Answer