Unit 3 Day 11: RC Circuits RC Circuit Introduction RC Circuit Analysis

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Presentation transcript:

Unit 3 Day 11: RC Circuits RC Circuit Introduction RC Circuit Analysis RC Time constant Charging and discharging of an RC Circuit

RC Circuits Circuits that contain both resistance and capacitance are called RC Circuits RC Circuits are used in timing circuits, camera flashes, pacemakers RC Circuit analysis is not just interested in steady state voltage and currents but rather how the circuit behaves over time

RC Transient Analysis I VC

RC Circuit Transient Analysis is a time constant The voltage across the capacitor reaches 98% of the battery EMF in 4 The transient response of the circuit is over in approximately 4 - 5

Discharging RC Circuit Suppose a capacitor is charged to a voltage V0, and then connected across a resistor as shown below.