Find the current by adding the resistances

[ashleydeer7]

Homework Statement

http://i260.photobucket.com/albums/ii10/alexlovely77/af.jpg

Homework Equations

q=cv

The Attempt at a Solution

i just want help with 1 of the 3 (anyone...)
so the first one...the current thru the capacitors is 0
then u have to find voltage right?
but how do u find the voltage thru those resistors?
r the 3 resistors in series? or do the capacitors make them not in series?

 

[Integral]

In the first, the resistors form a simple series circuit. Find the current by adding the resistances, then apply Ohms law. Once you have the current you can find the voltage drop across each resistor. This will give you the voltage seen by the capacitors.


In the second you can easily find the current in each branch of the parallel circuit. You can then find the voltage at each end of the cap. The difference is the voltage used to find the charge.

 

[Moetasim]

I would like to provide some guidance rather than directly solving the problem for you. First, we need to understand the given circuit and the components involved. The diagram shows two capacitors and three resistors connected in a circuit. The capacitors are connected in parallel, while the resistors are connected in series. This means that the voltage across the capacitors is the same, while the current through each resistor is the same.

To find the voltage across the resistors, we can use Ohm's Law (V=IR). We know the current (which is the same for all three resistors) and we can calculate the total resistance by adding the individual resistances. Once we have the total resistance, we can use Ohm's Law to find the voltage across each resistor.

As for the voltage across the capacitors, we can use the formula q=cv, where q is the charge stored in the capacitor, c is the capacitance, and v is the voltage. Since the current through the capacitors is 0, we can assume that there is no charge stored in them, and therefore the voltage across the capacitors is also 0.

I hope this helps guide you in the right direction for solving the problem. Remember to always understand the components and the circuit before attempting to solve it.