# Parallel RC Circuit Problem

1. Apr 7, 2005

### DethRose

Parallel RC Circuit Problem!!!!!!!!!!!!!

Hey ive been working on this circuit for hours and cant figure out 1 value.
This is exactly what was given to me on the page so i have no other information lol.

All that was written was:

find the values of Zt,It,I1,I2,Vc1

Ive found all the other values which are

Zt = 1.2 k angle -10.93
It = 8.28 mA angle 10.93
I1 = 8.13 mA angle 0
I2 = 1.57 mA angle 90
Vc1 i get 31.8 v angle -90 but the given answer is 5v and 0

An explanation y it is that value would be appreciated

------------------------------------------
l l l
l l l
l l l
l 550 ohm resistor .01 microFarad Capacitor
l l l
l l l
10V angle 0 l l
l l l
l 680 ohm resistor .01 microFarad Capacitor
l l l
l l l
l frequency=5KHZ l l
l l l
l l l
l----------------------l-------------------l

2. Apr 8, 2005

### electro-man

dumwit atleast type what you are asking properly

3. Apr 10, 2005

### rayjohn01

Well personally I would NOT call you dumbwit or any other name , but I am afraid he is correct in that I am not sure how anyone can understand your question
Ray

4. Apr 19, 2005

### sousemouse

so where's the micky mouse cartoon i was promised1

5. Jun 5, 2005

### Xodar

Hi DethRose,
The capacitors are equal in size and form a simple voltage divider across the source. Regardless of the current through the capacitors, the voltage across each capacitor must logically be half of the source voltage ... 5v @ 0degrees.

$$V_{C1}=V_s\frac{Z_{C1}}{Z_{C1}+Z_{C2}} =V_s\frac{j\omega C1}{j\omega C1+j\omega C2} =V_s\frac{C1}{C1+C2}=V_s\frac{C1}{2C1}=\frac{V_s}{2}$$

(it seems your other respondents have no imagination)