Electric Circuit Question PLEASE HELP

[vortex193]

Homework Statement

V = 1.2 kV
C = 65 micro Farads
R1 = R2 = R3 = 0.75 MegaOhms

With C uncharged, switch S is closed (t = 0). At t = 0, what is the current through each resistor? At t = infinity, what is the current through each resistor?

Homework Equations

V= IR
q = q_o[1 - e^-t(RC)] (charging of capacitor
q = q_oe^-t/(RC)] (discharging of capacitor)

The Attempt at a Solution

Homework Statement

Homework Equations

The Attempt at a Solution

 

[xcvxcvvc]

umm... how exactly are those components arranged and what is the problem asking you to find?

 

[vortex193]

sorry guys. the question is:
With C uncharged, switch S is closed (t = 0). At t = 0, what is the current through each resistor? At t = infinity, what is the current through each resistor?

 

[vortex193]

umm... how exactly are those components arranged and what is the problem asking you to find?

do you see the picture? if not here is the link:
http://tinypic.com/r/20fyjkn/6

 

[xcvxcvvc]

do you see the picture? if not here is the link:
http://tinypic.com/r/20fyjkn/6

At t = 0, an uncharged capacitor has zero charge on it and zero voltage drop across it. At t = infinity, a capacitor's plates are fully charged and have no current going "through" them.

 

[vortex193]

At t = 0, an uncharged capacitor has zero charge on it and zero voltage drop across it. At t = infinity, a capacitor's plates are fully charged and have no current going "through" them.

but its not asking for the current through the capacitor but the current through the resistor

 

[willem2]

At t=0 the circuit is equivalent to a circuit with C replaced by a wire.
At t=infinity the circuit is equivalent to a circuit with C replaced by an open switch.

You should be able to figure out the currents in these resistor only circuits.

 

[xcvxcvvc]

but its not asking for the current through the capacitor but the current through the resistor

Yes, but if it has zero current through it, it looks like an open circuit, and if it has a drop of zero volts, it looks like an short circuit. I was trying to get you to arrive to the answer instead of stating it.