APFIVE RC Circuit Initial Current Estimation
A capacitor discharges through a resistor. During the initial 0.12 s of discharge, a total of $$3.6 \times 10^{-3}$$ C of charge leaves the capacitor. The charge $$Q$$ remaining on the capacitor at time $$t$$ is described by the equation $$Q(t) = Q_0 e^{-t/RC}$$. Without knowing the values for the time constant $$RC$$ or the initial charge $$Q_0$$, what is the best estimate for the initial current, $$I_0$$, in the circuit?
A
3.0 × 10^-1 A
B
1.5 × 10^-2 A
C
4.3 × 10^-4 A
D
3.0 × 10^-2 A