Find the time t2 that it would take the charge of the capacitor to reach 99.99% of its maximum value given that R = 12.0 Ω and C = 500 μF. Express your answer numerically in seconds. Use three significant figures in your answer.
Let us now consider a different R-C circuit. This time, the capacitor is initially charged (q(0) = q0), and there is no source of EMF in the circuit (Figure 2). We will assume that the top plate of the capacitor initially holds positive charge. For this circuit, Kirchhoff's loop rule gives IR + q/C = 0, or equivalently, IR = -q/C.
Part K
Find the current I(t) as a function of time for this circuit. Express your answer in terms of q0, C, t, and R. Enter exp(x) for ex.