The capacitance in the RC circuit connected to the battery is C = 0.30 µF, the total resistance is R20k, and the battery emf is 12 V. Determine (a) the time constant, (b) the maximum charge the capacitor could acquire, (c) the time it takes for the charge to reach 99% of this value, (d) the current I when the charge Q on the capacitor is half its maximum value, (e) the maximum current in the circuit, and (f) the charge Q on the capacitor when the current I is 0.20 of its maximum value.

The capacitance in the RC circuit connected to the battery is C = 0.30 µF, the total resistance is R20k, and the battery emf is 12 V. Determine (a) the time constant, (b) the maximum charge the capacitor could acquire, (c) the time it takes for the charge to reach 99% of this value, (d) the current I when the charge Q on the capacitor is half its maximum value, (e) the maximum current in the circuit, and (f) the charge Q on the capacitor when the current I is 0.20 of its maximum value.