RC Circuits
This java applet try to show the transient behavior that occurs when the capacitor is being charged and discharged.
1. You will find a 10 Volt Voltage source,
Click within the green area and drag the mouse
up/down
to change its value.
2. A 100k ohms resistor and a 100uF in
series¡C(k=103 , u=10-6 )
3. There is a switch to control the flow path of the circuit.
and vertical position: discharging.
If you click the mouse button twice,
4. Press Start to start the animation,
The program will show the voltage of
capacitor(Vc) and resistor.
It also draw Vc-t(ime) curve.
5. You can change the switch at any time.
6. If the mouse is inside the Vc-t plot area,
Its values corresponse to mouse position will
be displayed.
If you drag the mouse, It will show relative
value.
7. The animation is suspended when you press
the mouse button.
If you click with left mosue button,
animation continues
when you release the mouse button.
If you click with the right mouse button,
you will need to press
the mouse again to resume.
During the discharging process Vc = -VR
How to do the calculatation?
During the charging
process:
2. Then calculate new Vc => Vc = Vc + I *dt/C
3. calculate VR =
I * R
You should be able to find out the rest.