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What is a The Transient Behavior of Capacitor ?

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China


What is a The Transient  Behavior of  Capacitor ?


Capacitor transient response definition


The transient response of a capacitor is the period during which it charges or discharges, changing its voltage and current over time.


Charging behavior


When a voltage is applied, the capacitor is charged and the current starts at a high level and drops to zero as the voltage at its ends increases.


屏幕截图 2024-07-16 092807.png


Charging behavior


When a voltage is applied, the capacitor is charged and the current starts at a high level and drops to zero as the voltage at its ends increases.


Discharge behavior


When disconnected from the power supply and short-circuited, the capacitor discharges and the voltage and current drop exponentially to zero.


Kirchhoff's law in capacitor circuits


Kirchhoff's voltage law helps determine the relationship between voltage and current during a capacitor's transient response.


Conclusion


The transient or charging process of a capacitor is basically over after 5 time constants.


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