Physics

RC Circuit Transient Calculator

Analyze capacitor voltage/current over time for RC charge and discharge.

RC Circuit Transient Calculator models capacitor charging/discharging behavior over time constants. It is useful in circuit analysis and timing design. The tool helps estimate voltage evolution at specific times. Use it to verify expected transient behavior before prototyping.

RC Transient Inputs

Result

Time constant tau: 1.00000000 s

Capacitor voltage at t: 4.721632 V

Resistor current at t: 0.000727837 A

63%%: 1000.000 ms | 90%%: 2302.585 ms | 99%%: 4605.170 ms

k*tau	time (ms)	Vc (V)
0	0.0000	0.000000
0.5	500.0000	4.721632
1	1000.0000	7.585447
2	2000.0000	10.375977
3	3000.0000	11.402555
4	4000.0000	11.780212
5	5000.0000	11.919145

How to use this tool

Enter resistance, capacitance, supply/initial voltages, and time.
Run the calculator to compute transient voltage/current values.
Use time-constant insights to tune circuit response.

Electronics lab resources

Promote oscilloscopes, multimeters, circuit kits, and analog electronics courses.

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