A series RC circuit has a resistance of 1 MΩ and a capacitance of 0.01 µF. Using a graphical step-by-step method, estimate the voltage across the capacitor 20 ms after a steady voltage of 20 V is applied to the circuit.
A series RC circuit has a resistance of 50 Ω and a capacitance of 20 µF. Determine, (i) by a graphical step-by-step method and (ii) algebraically, the current (a) initially and (b) 1 S, after a steady voltage of 20 V is connected to the circuit.
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