Rc Circuit Voltage Across Capacitor. In an rc circuit connected to a dc voltage source voltage on the capacitor is initially zero and rises rapidly at first since the initial current is a maximum. The time constant τ for an rc circuit is defined to be rc.
The voltage across the capacitor. In view of the application of kirchhoff s voltage law the voltage drop in the circuit can be expressed as. V r s r r 1 c s v i n s r c s 1 r c s v i n s.
Consequentially the voltage drop across the capacitor at this point in time is also zero.
The voltage across the capacitor. By viewing the circuit as a voltage divider the voltage across the capacitor is. In view of the application of kirchhoff s voltage law the voltage drop in the circuit can be expressed as. Voltage drops in a parallel rc circuit are the same hence the applied voltage is equal to the voltage across the resistor and voltage across the capacitor.
